Environmental protection of stamping hot forming production line project completion
Acceptance Monitoring Report Form

Construction unit: Hangzhou Baowei Auto Parts Co., Ltd. Chongqing Branch
Prepared by: Chongqing Runlv Environmental Protection Engineering Co., Ltd.

July 2018

Legal Representative of the Construction Unit: Chen Maojian
Legal representative of the preparation unit: Chen Jiuyang
Project Leader: Chen Jiuyang
Filled by: Chen Jiuyang

Construction unit: Hangzhou Baowei Auto Parts Co., Ltd. Chongqing Branch
Telephone: 17783828386
Fax:
Zip Code: 400050
Address: No.2 Longjing Road, Liangjiang New District, Chongqing

Prepared by: Chongqing Runlv Environmental Protection Engineering Co., Ltd.
Telephone: 13883133085
Fax:
Zip Code: 400020
Address: 17-7, Building 1, No.68 Yanghe 1st Road, Jiangbei District, Chongqing

Table I

Name of construction project	Stamping hot forming production line project
Name of Construction Unit	Hangzhou Baowei Auto Parts Co., Ltd. Chongqing Branch
Nature of construction project	New construction □ Reconstruction and expansion □ Technical renovation □ Relocation
Construction site	No.2 Longjing Road, Liangjiang New District, Chongqing
Main Product Name	Body structural parts (B-pillar, A- pillar), chassis structural parts (middle channel, cross beam)
Design production capacity	Body structural parts 700000/year, chassis structural parts 650000/year
actual production capacity	Body structural parts 540000/year, chassis structural parts 495000/year
EIA time of construction project	February 2017	Construction commencement time	June 2017
Debugging time	December 2017	Acceptance site monitoring time	March 2018
EIA Report Form Approval Department	Chongqing Municipal Environmental Protection Bureau Liangjiang New District Branch	EIA Report Preparation Unit	Chongqing Environmental Protection Engineering Design and Research Institute Co., Ltd.
Environmental protection facilities design unit	/	Environmental protection facilities construction unit	/
Total Investment Estimate	165 million	Total Estimate of Environmental Protection Investment	450000	Proportion	0.27%
Actual total estimate	153 million	Environmental protection investment	80000	Proportion	0.05%
Acceptance monitoring basis	1.1Preparation basis 1.1.1Environmental Protection Laws, Regulations and Norms (1) Environmental Protection Law of the People's Republic of China (implemented in January 2015); (2) the People's Republic of China Environmental Impact Assessment Law (implemented on September 1, 2016); (3) Law of the the People's Republic of China on the Prevention and Control of Air Pollution (revised on August 29, 2015); (4) Law on the Prevention and Control of the People's Republic of China Noise Pollution (Order of the President of the People's Republic of China No. 77, promulgated on October 29, 1996); (5) Law on the Prevention and Control of the People's Republic of China Solid Waste Pollution (revised in June 2013); (6) Cleaner Production Promotion Law of the People's Republic of China (revised February 29, 2012); (7) Law on Work Safety in the People's Republic of China (1 November 2002); (8) Technical Guidelines for Environmental Protection Acceptance of Construction Projects (Ministry of Ecology and Environment Announcement No. 9 of 2018). 1.1.2Local laws and regulations, rules and normative documents Notice of the Chongqing Municipal People's Government on Printing and Distributing the 13th Five-Year Plan for Ecological Civilization Construction and Environmental Protection in Chongqing (Yufu Fa [2016] No. 34);
Acceptance monitoring basis	(2) Regulations of Chongqing Municipality on Environmental Protection (revised in 2017); (3) Regulations of Chongqing Municipality on the Prevention and Control of Air Pollution (implemented on June 1, 2017); (4) Measures of Chongqing Municipality on Prevention and Control of Environmental Noise Pollution (Order No. 270 of Chongqing Municipal People's Government); (5) Notice of the Chongqing Municipal People's Government on Printing and Distributing the Regulations on the Division of Ambient Air Quality Functional Zones in Chongqing (Yufufa [2016] No. 19); (6) Provisions of Chongqing Municipality on the Classification of Applicable Functional Categories of Ground Waters (Yu Fu Fa [1998] No. 89); (7) Provisions of Chongqing Municipality on the Division of Areas Applicable to Environmental Noise Standards in Urban Areas (Yu Fu Fa [1998] No. 90); (8) Notice on Printing and Distributing the Adjustment Scheme of the Regulations on the Division of the Applicable Areas of Urban Regional Environmental Noise Standards, Yu Huanfa [2007] No. 39; (9) Notice on Adjusting the Applicable Functional Category of Some Surface Waters in Chongqing, Yu Huan Fa [2007] No. 15; (10) Chongqing Municipal People's Government Approving and Transmitting Chongqing Surface Water Environmental Function Category Adjustment Plan (Yufu Fa [2012] No. 4); (11) Notice of Chongqing Municipal Environmental Protection Bureau on Amending the Relevant Contents of the Adjustment Plan of the Regulations on the Division of Areas Applicable to Urban Regional Environmental Noise Standards, Yu Huanfa [2008] No. 78; (12) Decision of Chongqing Municipal People's Government on Developing Circular Economy (Order No. 179 of Chongqing Municipal People's Government); (13) Notice of the General Office of Chongqing Municipal People's Government on Issuing the Comprehensive Work Plan for Energy Conservation and Emission Reduction in Chongqing (No. 286 [2007] of Chongqing Municipality); (14) Implementation Opinions on Industrial Positioning of Chongqing Characteristic Industrial Park (Yufu Fa [2008] No. 101); (15) Provisions of Chongqing Municipality on Environmental Access for Industrial Projects (Yu Ban Fa [2012] No. 142); (16) "Opinions of the Chongqing Municipal Committee of the Communist Party of China and the Chongqing Municipal People's Government on Scientifically Dividing Functional Areas and Accelerating the Construction of Five Functional Areas" (Yu Wei Fa [2013] No. 14); (17) Opinions of the Chongqing Municipal People's Government on Further Deepening the Reform of the Investment System (Yu Fu Fa [2014] No. 24); (18) Notice of Chongqing Environmental Protection Bureau on Printing and Distributing the Implementation Plan for Standardized Clean-up and Rectification of Sewage Outlets in Chongqing (Yu Huanfa [2012] No. 26); (19) Opinions of the General Office of Chongqing Municipal People's Government on Implementing Differentiated Environmental Protection Policies and Promoting the Construction of Five Functional Zones (Yufu Banfa [2014] No. 80);
Acceptance monitoring basis	(20) Measures for the Prevention and Control of Dust Pollution in Main Cities of Chongqing Municipality (Order No. 188 of Chongqing Municipal People's Government); (21) "Notice on Printing and Distributing the Implementation Plan for Further Promoting the Paid Use and Trading of Emission Rights (Sewage, Waste Gas, Garbage) in Chongqing" (Yufu Banfa [2014] No. 178); (22) Notice of Chongqing Environmental Protection Bureau on Printing and Distributing the Implementation Rules for the Paid Use and Trading of Emission Rights of Industrial Enterprises in Chongqing (Trial) (Yu Huanfa [2015] No. 45); (23) Notice of Chongqing Municipality on the Division of Areas Applicable to Environmental Noise Standards in Development Parks (No. 45 [2005] of Chongqing Municipality); (24) Opinions of Chongqing Municipal People's Government on Accelerating the Development Level of Industrial Parks (Yufufa (2014) No. 25); (25) Notice of the Chongqing Municipal People's Government on Printing and Distributing the Work Plan for the Implementation of the Soil Pollution Prevention and Control Action Plan in Chongqing (Yufufa (2016) No. 50); (26) Opinions of the Chongqing Municipal People's Government on the Implementation of the Air Pollution Prevention and Control Action Plan (Yufufa (2013) No. 86); (27) "Notice of the Chongqing Municipal People's Government on Issuing and Implementing the Implementation Plan of the State Council's Water Pollution Prevention and Control Action Plan" (Yufufa (2015) No. 69). 1.1.3Project data and approval documents (1) Environmental Impact Report Form of Stamping Hot Forming Production Line Project (Chongqing Environmental Protection Engineering Design and Research Institute Co., Ltd., February 2017); (2) Approval of Chongqing Construction Project Environmental Impact Assessment Document (Yu (Liangjiang) Huan Zhun [2017] No. 190); (3) Monitoring Report of Chongqing Kaiyuan Environmental Monitoring Co., Ltd. (No. 20180257); (4) Other relevant information provided by the Owner;
Acceptance monitoring evaluation standard, label, grade and limit value	1Executive standards for exhaust emissions Dust generated in the laser cutting process during the operation period shall be subject to the standards of the main urban area in the Comprehensive Emission Standard of Air Pollutants (DB50/418-2016), as shown in Table 1-1. Table1-1 Integrated emission standards for air pollutants (DB50/418-2016) List pollution source pollution factor Height of discharge outlet (m) Discharge concentration (mg/m3) Allowable discharge rate (kg/h) Unorganized discharge monitoring point (mg/m3) laser cutting Particulate matter 15m 50 0.8 1.0 2Implementation standard for wastewater discharge No production wastewater is produced in the production process of the Project, and the domestic wastewater mainly comes from domestic wastewater. The domestic wastewater is treated by the sewage treatment facilities set by Chongqing Baosteel Automotive Steel Parts Co., Ltd. and discharged into Jialing River through the municipal sewage pipe network after reaching the first-class standard in Table 4 of the Comprehensive Wastewater Discharge Standard (GB8978-1996). The discharge standard is shown in Table 1-2. Table1-2 Integrated Wastewater Discharge Standard (GB8978-1996) List Pollutants COD ammonia nitrogen SS PH Petroleum Primary emission standard 100 15 70 6～9 5 3Executive standard for noise emission The project is located in Class 3 area, but the east of the project is adjacent to Jinkai Avenue. During the operation period of the project, Class 3 and Class 4 standards of "Emission Standard for Environmental Noise at the Boundary of Industrial Enterprises" (GB12348-2008) are implemented, as shown in Table 1-3. Table1-3Emission standards for environmental noise at the boundary of industrial enterprises (extract) Unit: decibels[Leq dB(A）] Category Daytime Night Class 3 Standard Limits 65 55 Class 4 Standard Limits 70 55 4Implementation standard for solid waste discharge General industrial solid waste shall be subject to (GB18599-2001) Pollution Control Standards for Storage and Disposal of General Industrial Solid Waste and its amendment. Hazardous waste implementation (GB18597-2001) "Hazardous waste storage pollution control standards" and its amendment.

 

Table II

Project construction content: 1Geographical location and layout The project is located at No. 2 Longjing Road, Liangjiang New District, Chongqing. The center longitude of the project site is 106 31 '51.41 "and the center latitude is 29 41' 07.98". The factory road is connected with the previous factory road. The raw materials enter from the west side of the factory building and the finished products exit from the south side. Raw material transportation vehicles enter the plant from the south logistics entrance of the plant area, enter the plant area from the south side of the plant area in the form of end-in-end-out, unload by crane, then drive out of the plant area and drive out from the south logistics entrance and exit of the plant area; finished product transportation vehicles enter the plant area from the south logistics entrance and exit of the plant area from the north side of the plant area in the form of end-in the form of end-in the form of end-in the form, load-end-in the form, load-out. The general layout and monitoring points of the Project are shown in Fig. 2-1.           Figure2-1General Layout and Monitoring Point Layout of the Project      Figure note: C is the noise monitoring point at the factory boundary; ○ indicates the exhaust gas monitoring point.   2Main production equipment See Table 2-1 for the main production equipment of the Project. Table2-1 List of Main Production Equipment of the Project Serial Number Equipment Name Technical parameters Unit Quantity Remarks   Thermoforming control system Non-standard Sleeve 1 Hot press forming process   nitrogen making machine Non-standard Taiwan 1   electric heating furnace Non-standard Taiwan 1   Hot pressing forming cooling system Non-standard Sleeve 1   Press and control system Non-standard Sleeve 1   laser cutting machine Non-standard Taiwan 7 Laser cutting process   Air compressor Non-standard Taiwan 1 Other 3Working system The project works 300 days a year, 24 hours a day, three shifts, 8 hours per shift. 4Construction content This project is to lease 3600 square meters of industrial workshop of 4# workshop of Chongqing Baosteel Auto Steel Parts Co., Ltd. as the construction of this project. One new hot stamping press and automatic production line are built, including one electric heating furnace, one press and press control system, one hot pressing forming cooling system, one nitrogen making machine and seven laser cutting machines. See Table 2-2 for project composition and changes. 5Project changes According to the on-site investigation and combined with the project environmental impact assessment documents and their approval, the project is actually constructed in two phases (currently, only one hot stamping press and one automatic production line have been constructed, covering an area of about 3600 square meters, including one electric heating furnace, one press and press control system, one hot pressing forming cooling system, two nitrogen generators and seven laser cutting machines); in the actual production process of this project, compared with the EIA and its approval stage, the shot blasting process and the electric heating process canceled methane as a protective agent. 6Acceptance Scope The scope of this acceptance is only the first phase of the project, and the second phase of the project is included in the subsequent acceptance.

Consumption of raw and auxiliary materials and water balance: The consumption of raw and auxiliary materials of the project is shown in Table 2-3; the water balance is shown in Figure 2-2.   Table2-3  Consumption List of Main Raw and Auxiliary Materials of the Project Serial Number raw and auxiliary materials Storage method Storage capacity Dosage 1 Steel Warehouse, bulk 1000 tons 4000 tons 2 Nitrogen Nitrogen making equipment / 25000 Nm3/h 3 Finished Mold / / 60 sets/year 4 Hydraulic oil Barrel, 30L/barrel 200L 3t/a       Fig. 2-2 Water Balance of the Project

 

Main process flow and pollution production link (with treatment process flow chart, marking pollution production node): See Fig. 2-3 for the main process flow and pollution production links of the Project.   Fig. 2-3 Production Process and Pollution Production Node of the Project Brief description of process flow: Electric heating: Hot pressing is mainly to heat the raw material steel plate with a continuous walking beam electric heating furnace (using electric heating), heating to about 800 ℃ to make the metal in a softened state, and nitrogen is introduced into the heating process as a protective gas. Stamping and forming: After heating is completed, a press is used to stamp and form the steel continuous die, and a set of refrigeration unit is set to realize the cooling process. The refrigeration unit adopts a water-cooled screw refrigeration unit (refrigerant R134a), and is equipped with a cooling cycle water tower for cooling the refrigeration unit. Laser cutting: After stamping and forming, the workpiece is cut by laser cutting machine. Under the action of laser beam energy, the surface of the material is rapidly (m/s range) heated to thousands of degrees Celsius and melted, creating a slit, and obtaining a blank product. In the production process, metal solid waste (S1), waste residue (S2), metal dust (G1) and production noise are produced during stamping and laser cutting.

 

Table 2-2 Composition and Change of the Project

Classification	Project composition	Construction contents of EIA and approval stage	actual construction content	Remarks
Main works	Stamping forming line 2	2 sets of electric heating furnace, 2 sets of press and press control system and 2 sets of nitrogen making machine are configured to hot press the finished steel plate, with a production capacity of 300 punching times/h * line.	1 stamping forming line, 2 electric heating furnaces, 1 press and press control system, and 1 nitrogen making machine	The project is actually implemented in two phases, and only one phase has been completed at present.
	Laser cutting process	Set up 14 laser cutting machines for laser cutting of products. Capacity of 50/h * line	Set up 7 laser cutting machines for laser cutting of products	The remaining 7 laser cutting machines as the second phase of construction content
	Shot blasting process	One shot blasting machine is set for shot blasting and deburring production. Capacity is 2000/piece * line	The shot blasting process was canceled, and the shot blasting process was outsourced to Chongqing Baoji Auto Parts Co., Ltd.	The shot blasting process was canceled
Auxiliary works	Laser cutting refrigeration system	The equipment has its own cooling system, soft water circulation cooling, regular water replenishment, water replenishment outsourcing	Equipment comes with cooling system, regular water replenishment, water replenishment outsourcing	Consistent
	Press cooling system	The press is used for cooling. A cooling tower with a circulating water volume of 200 m3/h and one screw type cooling unit are set. The refrigerant is R134A.	One cooling tower and one set of screw-type cooling unit are set, and the refrigerant is R134A.	Consistent
	Air compressor room	One screw air compressor	One screw air compressor	Consistent
	nitrogen making machine	Nitrogen making equipment, 225 Nm3/h	Nitrogen making equipment, 225 Nm3/h	Consistent, the remaining 1 is included in the second phase of construction.
	Water supply engineering	The municipal water supply pipe on the municipal road on the west side of the land is connected to the water source.	The municipal water supply pipe on the municipal road on the west side of the land is connected to the water source.	Consistent
Auxiliary works	Drainage works	Rainwater is divided by rain and sewage, and rainwater is discharged through rainwater sewage in the plant area.	Rainwater is divided by rain and sewage, and rainwater is discharged through rainwater sewage in the plant area.	Consistent
	Power supply works	Municipal power supply	Municipal power supply	Consistent
Storage and transportation engineering	Raw material storage area	Steel plate raw material stacking, about 200m2	Steel plate raw material stacking, about 200m2	Consistent
	Product library storage area	Product storage, approx. 580m2	Product storage, approx. 580m2	Consistent
	Methane storage area	Methane gas cylinder temporary storage, storage capacity 50kg	The production process eliminates methane as an auxiliary material. Therefore, the methane storage area was canceled	Cancelled methane storage
Environmental protection engineering	Cartridge type dust collector	The laser cutting machine is equipped with a dust removal system, and the single design processing capacity is 4500 m3/h	The laser cutting machine is equipped with a dust removal system, and the single design processing capacity is 4500 m3/h	Consistent
	Cartridge type dust collector	Shot blasting waste gas treatment, design capacity 8000 m3/h	The shot blasting process was canceled. Therefore, the shot blasting exhaust gas treatment system was eliminated	Cancel the shot blasting waste gas treatment link
	Temporary Hazardous Waste Yard (about 200 m2)	Relying on the original hazardous waste yard of Baosteel	Relying on the original hazardous waste yard of Baosteel	Consistent
	Waste water treatment station	Hydrolytic acidification contact oxidation, relying on Baosteel's existing sewage treatment station to reach the "integrated sewage discharge standard" (GB8978-1996) after the first level standard discharge.	Hydrolytic acidification contact oxidation, relying on Baosteel's existing sewage treatment station to reach the "integrated sewage discharge standard" (GB8978-1996) after the first level standard discharge.	Consistent

Table III

Main pollution sources, treatment and discharge of pollutants (attached with treatment flow diagram, indicating monitoring points of waste water, waste water and noise at the plant boundary):
1Exhaust gas
1.1waste gas pollution source
The atmospheric pollutants in this project mainly come from the dust generated during the laser cutting process, and the dust generation is about 2.0t/a.
1.2Waste gas pollution control measures
The dust generated in the laser cutting process of this project is discharged into the atmosphere in an unorganized form after being treated by the filter cartridge dust collector of the equipment.
1.3Waste gas treatment process

2Wastewater
2.1waste water pollution source
    The wastewater pollution source of this project is mainly domestic wastewater generated by employees during the operation of the project, and the main pollutants are COD, SS and ammonia nitrogen.
2. 2Waste water pollution control measures
  The domestic wastewater generated by this project relies on the existing sewage treatment facilities of Chongqing Baosteel Automobile Steel Parts Co., Ltd. and is discharged into Jialing River through the municipal sewage pipe network after reaching the first level standard in Table 4 of the Comprehensive Wastewater Discharge Standard (GB8978-1996).
2. 3Wastewater treatment process

 

3Noise
3.1noise pollution source
The noise source of the project mainly comes from the press, laser cutting machine, air compressor, etc. The source intensity is about 75 ~ 95dB(A).
3. 2Noise pollution control measures
Low noise equipment shall be selected, and the noise generated shall be treated by basic buildings and building sound insulation.
3. 3Noise pollution control process

 

Fig. 2-8 Noise Control Process Flow

4Solid waste
4.1solid waste pollution source
(1) Domestic waste
The average amount of domestic waste generated by employees is 0.5kg per person. For 70 employees, the daily amount of domestic waste generated is 35kg/d, I .e. 10.5t/a.
(2) General industrial solid waste
Waste cotton yarn and gloves: the output of waste cotton yarn and gloves is about 0.6t/a.
Waste scrap: waste scrap mainly comes from hot pressing and laser cutting process of scrap, about 44t/a.
(3) Hazardous waste
The hazardous waste is mainly waste hydraulic oil, and the output is about 1.0t/a.
4. 2Solid waste pollution control measures
(1) Domestic waste
The domestic waste of this project is collected and transported and disposed of by the municipal sanitation department.
(2) General industrial solid waste
Waste cotton yarn and gloves: after collection, hand them over to the municipal sanitation department together with household garbage.
Waste leftover materials: after collection, they are sold to the waste recycling station.
(3) Hazardous waste
Hydraulic oil: after being collected and temporarily stored in the existing hazardous waste temporary storage yard of Chongqing Baosteel Automobile Steel Parts Co., Ltd., it will be disposed by Chongqing Alpha Petrochemical Co., Ltd.
4. 3Solid waste pollution control process
(1) Domestic waste

(2) General industrial solid waste

Figure2-13 Waste hydraulic oil treatment process flow chart

Table IV

The main conclusions of the construction project environmental impact report form and the approval decision of the approval department:
1. EIA Review
In February 2017, Hangzhou Baowei Auto Parts Co., Ltd. Chongqing Branch commissioned Chongqing Environmental Protection Engineering Design and Research Institute Co., Ltd. to prepare and complete the "Stamping Hot Forming Production Line Project Environmental Impact Report Form". On July 31, 2017, Liangjiang New District Branch of Chongqing Environmental Protection Bureau approved the stamping thermoforming production line project of Chongqing Branch of Hangzhou Baowei Auto Parts Co., Ltd. with the approval letter of environmental impact assessment document of Chongqing construction project (Chongqing (Liangjiang) huanzhun [2017] No. 190), and issued corresponding requirements.
2. EIA Conclusion
(1) Overview of the proposed project
The proposed project leases two-span workshops of Chongqing Baosteel Phase IV with an area of about 7680 square meters for the construction of the proposed project. Two new hot stamping machines and automatic production lines were built, including 2 electric heating furnaces, 2 presses and press control systems, 1 hot-press forming cooling system, 2 nitrogen making machines, 14 laser cutting machines, and 1 shot blasting machine and its supporting dust collector. The total investment of the proposed project is 165 million yuan. After the completion of the project, the production and processing of B- pillar, A- pillar, middle channel, beam, etc. Production capacity 1.35 million pieces/year (1 million times/a).
(2) Rationality analysis of industrial policy and site selection
The construction of the project conforms to the requirements of the national industrial policy, conforms to the requirements of the "Industrial Structure Adjustment Guidance Catalog (2011) (Amendment)" (2013), conforms to the "Chongqing Industrial Project Environmental Access Regulations (Amendment)", and the land is in line with Chongqing Liangjiang New Area Land Master Plan. Under the premise of strictly implementing the pollution prevention and control measures proposed in the EIA report during the operation period of the project, from the perspective of environmental protection, the site selection is reasonable and the construction is feasible.
(3) Environmental quality status
To sum up, SO2, NOx and TSP in the area where the proposed project is located can meet the requirements of Class II standard of Ambient Air Quality Standard (GB3095-2012), and the atmospheric environmental quality in the area where the proposed project is located is relatively good on the surface. The water quality of Jialing River is in good condition, and all evaluation indexes can meet the requirements of Class III water standard of Environmental Quality Standard for Surface Water (GB3838-2002), 1# noise monitoring point meets the requirements of Class 4a standard of Environmental Quality Standard for Sound (GB3095-2008) in the daytime, but fails to meet the requirements of Class 4a standard of Environmental Quality Standard for Sound (GB3095-2008) at night, with the maximum exceeding value of 2.4dB. 2# noise monitoring point meets the requirements of Class 3 standard of Environmental Quality Standard for Sound (GB3095-2008), the main reason for the noise exceeding the standard at monitoring point 1# is that the surrounding land is in the development stage and there are many heavy vehicles in the past, resulting in the current situation of acoustic environment quality exceeding the standard. With the completion of the development of the surrounding land, the current situation of acoustic environment quality will be improved; the ecological environment quality of the proposed project is in good condition.
(4) Overview of main pollution prevention measures during operation period
① Exhaust gas
Dust generated by laser cutting during the operation period of the project is discharged unorganized after being treated by a dust collector. A small amount of exhaust gas can be rapidly diffused and diluted to a harmless state after being discharged into the air. The exhaust gas meets the monitoring concentration limit of 1.0 m3/mg in the standard unorganized discharge outlet of the main urban area in Chongqing Comprehensive Emission Standard for Air Pollutants (DB 50 418-2016), which has little impact on the surrounding environment.
The shot blasting waste gas (G2) of the proposed project is collected by the gas collecting hood, treated by the filter cartridge type dust collector, and discharged at high altitude through the 15m high exhaust cylinder. The shot blasting waste gas (G2) can meet the standard emission limit value of the main urban area in Chongqing Comprehensive Emission Standard of Air Pollutants (DB 50 418-2016)
② Noise
Ventilation machinery is proposed to adopt advanced low-noise equipment, and the equipment is subjected to vibration and noise reduction treatment, which has little impact on the external environment. The high-noise equipment in the production equipment shall be subjected to vibration and noise reduction to reduce the impact on the external environment; the high-noise equipment shall be rationalized to avoid the impact of continuous high noise. The staff next to the high-noise equipment should pay attention to adjusting the working hours and be equipped with earmuffs to avoid long-term exposure to high noise. The high-noise equipment adopts advanced low-noise equipment and reasonable layout. The warehouse is located on the south side near the residential area of Golden Garden, away from the office building, so as to reduce the impact on the environment. Strengthen the surrounding greening, improve the sound environment quality.
③ Solid waste
The solid waste generated during the operation period is mainly scrap steel and other corner waste and waste packaging bags generated during the hot pressing process. It is uniformly collected in the general solid waste storage yard on the west side of the land.
④ Ecological environment
The annual waste generated by the proposed project is about 210.96t/a, including 197.16t/a of general industrial solid waste, 3.3t/a of hazardous waste and 10.5t/a of domestic waste. The hazardous waste storage yard relies on the existing hazardous waste storage yard of Baosteel Group. The existing hazardous waste storage yard shall be reconstructed in accordance with the Pollution Control Standard for Hazardous Waste Storage (GB18597-2001). The temporary storage point of hazardous waste shall be provided with obvious special signs to prohibit mixing incompatible hazardous waste. The ground shall be treated for seepage control with leakage coefficient K≤ 10-10. At the same time, this assessment requires that the transfer of hazardous wastes of the proposed project shall be implemented in accordance with the relevant requirements of the State Environmental Protection Administration's Order No. 5 "Measures for the Management of Hazardous Wastes Transfers", so as to realize the management of hazardous wastes, ensure the reasonable disposal of wastes and clarify the final destination.
(5) Cleaner production
To sum up, this evaluation believes that the raw and auxiliary materials used in the project have certain adverse effects on the environment, and should be used in strict accordance with the measures proposed in this evaluation, which will reduce the impact on the environment; the cleanliness of the project's process technology equipment, products and fuel all meet the domestic cleaner production requirements, which will help promote the market competitiveness of the enterprise and promote the sound development of the enterprise.
This evaluation suggests that all staff should establish a strong awareness of environmental protection and clean production, and employees must be trained in this area before taking up their posts. Secondly, a series of strict and feasible clean production and management procedures should be formulated within the enterprise, and full-time or part-time management personnel should be set up to implement each environment of clean production layer by layer.
(6) Total amount control
The discharge of pollutants during the operation period of the proposed project shall be strictly in accordance with the "Guiding Opinions of the General Office of the State Council on Further Promoting the Paid Use and Trading of Emission Rights" (Guowanfa [2014] No. 38), "Regarding the issuance of Chongqing Municipality to further promote the emission rights (Sewage, waste gas, garbage) paid use and trading work (Trial) (Draft for Solicitation of Comments)" The corresponding requirements require legal trading and obtain corresponding emission rights.
The regulatory indicators for pollutant discharge are: solid waste: general solid waste: 210.96t/a, hazardous waste: 3.3t/a, and domestic waste: 10.5t/a. Total wastewater discharge: COD0.18t/a, ammonia nitrogen 0.03t/a.
(7) Comprehensive conclusion
The construction of the project conforms to the requirements of the national industrial policy, conforms to the requirements of the "Industrial Structure Adjustment Guidance Oyster (2011) (Amendment)" (2013), conforms to the "Chongqing Industrial Project Environmental Access Regulations (Amendment)", and the land is in line with Chongqing The overall planning of land use in Liangjiang New District. During the operation period of the project, under the premise of strictly implementing the pollution prevention and control measures proposed in the EIA report, from the perspective of environmental protection, its site selection and reasonable construction are feasible.
Approval decision of 3. approval department
On July 31, 2017, Liangjiang New District Branch of Chongqing Environmental Protection Bureau approved the stamping thermoforming production line project of Chongqing Branch of Hangzhou Baowei Auto Parts Co., Ltd. with the approval letter of Chongqing construction project environmental impact assessment document (Yu (Liangjiang) Huanzhun [2017] No. 190), and the reply is as follows:
The application form for approval of the environmental impact assessment document of the stamping hot forming production line project submitted by your unit, the environmental impact assessment report form of the project and related materials have been received. After study, the approval is as follows:
According to the relevant provisions of the the People's Republic of China Environmental Impact Assessment Law and other laws and regulations, as well as the opinions of the expert group of the technical review meeting on the environmental impact report of the project, the 1. agrees in principle to the environmental impact report of the project prepared by Chongqing Environmental Protection Engineering Design and Research Institute Co., Ltd. The environmental protection measures, conclusions and suggestions proposed in the form.
Main construction content and scale of the 2. project: renting the 4# workshop of Chongqing Baosteel Automobile Steel Parts Co., Ltd., No. 2 Longjing Road, Liangjiang New District, Chongqing, to produce the body boundary and chassis structure of the automobile. The project mainly builds two hot stamping presses and automated production lines, as well as auxiliary work such as cooling systems, public storage and transportation projects and environmental protection projects. After the completion of the project, it is expected to produce 700000 pieces of body structure and 650000 pieces of chassis structure. The total investment of the project is 165 million yuan and the environmental protection investment is 450000 yuan.
3. The project shall be implemented in strict accordance with the emission standards and total amount control indicators approved in this Approval (see Annex). Any of the following four acts or circumstances shall be reported to our bureau in advance or in a timely manner:
(I) increase or change the location of the sewage outlet, resulting in the prevention and control of pollutant discharge or the direction of pollutant discharge is not in conformity with the specified EIA;
(II) increase or change the raw and auxiliary materials, unified production, resulting in the increase of new pollution factors;
(III) increasing the production capacity of products (including intermediate products), resulting in an increase in waste water, waste gas and solid waste, making environmental protection facilities incompatible;
Environmental pollution or disturbance to residents after the (IV) project is put into operation.
4. In the process of construction and operation of the project, the pollution prevention and control measures proposed in the environmental impact report shall be conscientiously implemented, and the design and construction plan of environmental protection facilities shall be further implemented before the construction starts, with the following work as the key points.
(I) do a good job in wastewater pollution control
The domestic sewage and ground cleaning wastewater of the Project are treated by the domestic sewage treatment station of Chongqing Baosteel Automobile Steel Parts Co., Ltd.
(II) strengthen waste gas treatment measures
Laser cutting dust is discharged in an unorganized form after being treated by the filter cartridge dust collector provided by the equipment to reach the standard. Shot blasting waste gas is collected by a gas collecting hood and treated by a filter cartridge dust collector to reach the emission limit of Chongqing's "Comprehensive Emission Standard for Air Pollutants" (DB50/418-2016) in the main urban area, and then discharged to the standard through a 15m exhaust cylinder.
(III) to strengthen the prevention and control of noise pollution
Select low-noise equipment, reasonably arrange the positions of fans, air compressors, sheet metal equipment and other high-noise equipment, and take measures such as sound insulation and vibration reduction to ensure that the noise on the side of the project facing Jinkai Avenue and Cuiyun Interchange meets the Class 4a standard of the Environmental Quality Standard (GB3096-2008), and the other areas meet the Class 3 standard of the Environmental Quality Standard (GB3096-2008).
(IV) increase solid waste recycling and standardize solid waste disposal
During the operation period, waste hydraulic oil, oily wastewater, waste activated carbon and other hazardous wastes shall be temporarily stored in accordance with the regulations and requirements of the Hazardous Waste Storage Pollution Control Standard. The hazardous waste transfer form system shall be strictly implemented and handed over to the unit with corresponding hazardous waste transfer and disposal qualification for treatment. The leftover materials, waste packaging materials and shot blasting residue shall be sent to the waste purchasing station for recycling. Waste cotton yarn and domestic garbage shall be uniformly disposed by the municipal sanitation department.
5. In the process of construction and operation of the project, environmental management shall be strengthened and relevant environmental protection procedures shall be performed in accordance with the law.
(I) establish and improve environmental protection management institutions and systems, and strengthen environmental management and monitoring during the operation period.
The (II) strictly implements the "three simultaneous" system of environmental protection in which environmental protection facilities and the main project are designed, constructed and put into use at the same time. Before the project is completed and put into operation, it shall apply to our bureau for a sewage discharge permit.
In the (III) of major changes in the nature, scale, location, process, and pollution prevention and control measures of the project, the EIA document should be re-submitted to our bureau for approval.

Table V

Acceptance Monitoring Quality Assurance and Quality Control:
1. monitoring analysis method
See Table 5-1 for the acceptance monitoring and analysis methods of the Project.
Table5-1 List of Monitoring and Analysis Methods of the Project

monitoring factor	monitoring analysis method	Method/Basis	Remarks
TSP	Ambient air-Determination of total suspended particulate matter-Gravimetric method	GB/T15432-1995	/
Environmental noise at boundary of industrial enterprises	Emission standard for environmental noise at boundary of industrial enterprises	GB12348-2008	/

2. monitoring instrument
See Table 5-2 for acceptance monitoring instruments of the Project.

Table5-2 List of Monitoring Instruments of the Project

monitoring factor	Name and model of monitoring instrument	Instrument No.	Remarks
TSP	Electronic balance E204-IC	E204-IC 000075	All instruments are certified or within the validity period of calibration
	Intelligent Integrated Sampling ADS-2062E	000381、000382
	Integrated Flow Calibration ZR-5410A	000283
Environmental noise at boundary of industrial enterprises	Multi-function sound level meter AWA6228	000240
	Multi-function sound level meter AWA6228	000443
	Acoustic Calibrator AWA6221A	000446

Qualification of 3. personnel

The personnel of this acceptance monitoring and acceptance monitoring unit are all certified. The collection, storage, transportation and handover of samples are managed and recorded by special personnel. The on-site adoption and testing are carried out in strict accordance with the acceptance monitoring plan, and various conditions during the monitoring period are recorded in detail. The whole process quality control is implemented in accordance with the requirements of the Environmental Monitoring Quality Assurance Management Regulations. The monitoring instruments used shall be verified by the measurement department and within the validity period, the monitoring data shall be strictly subject to the three-level audit system.
Quality assurance and quality control in the process of 4. water quality monitoring and analysis
　　The wastewater is not monitored in this acceptance. Therefore, this acceptance does not involve quality assurance and quality control in the process of water quality monitoring.
Quality assurance and quality control in 5. gas monitoring and analysis
The acceptance technology requires the acceptance monitoring unit to strictly follow the Technical Specification for Monitoring of Fixed Pollution Sources HJ/T397-2007, and the distribution and sampling shall be in accordance with the Monitoring and Analysis Methods for Air and Waste Gas (4th Edition).
Quality assurance and quality control in the process of 6. noise monitoring and analysis
The acceptance of noise monitoring in strict accordance with the relevant provisions of the national standards and methods for monitoring. During the monitoring, the production condition is normal, the weather is clear and windless, which meets the monitoring requirements. The sound level meter was calibrated before and after the test, and the sensitivity difference before and after the measurement was 0dB.
Quality Assurance and Quality Control in the Process of 7. Solid Waste Monitoring and Analysis
This acceptance does not involve solid waste monitoring. Therefore, there is no corresponding quality assurance and quality control measures.

Table VI

• Contents of acceptance monitoring:
• Waste water
  • • The domestic wastewater generated by this project is treated by the sewage treatment facilities set up by Chongqing Baosteel Automobile Steel Parts Co., Ltd. and discharged into Jialing River through the municipal sewage pipe network after reaching the first level standard in Table 4 of the Comprehensive Wastewater Discharge Standard (GB8978-1996). The sewage treatment facilities of Chongqing Baosteel Automobile Steel Parts Co., Ltd. supported by this project have passed the completion environmental protection acceptance in December 2017, and the sewage treatment facility acceptance monitoring when the project has been in the normal production stage, according to the sewage treatment facility acceptance monitoring results show that the sewage treatment facility pollutant monitoring indicators can meet the "integrated sewage discharge standard" (GB8978-1996) Table 4 in the first standard. Therefore, this acceptance will no longer monitor the pollutants discharged from the sewage treatment facilities set up by Chongqing Baosteel Automobile Steel Parts Co., Ltd.
• Exhaust gas
  • The source of waste gas during the operation of this project is mainly the dust generated during the laser cutting process. The dust generated during the laser cutting process of this project is discharged into the atmospheric environment in an unorganized form after being treated by the filter cartridge type dust collector of the equipment. See Table 6-1 for the location, frequency, factor and monitoring period of the waste gas monitoring point of this project.
    • • • Table6-1  List of Waste Gas Monitoring of the Project

Category	pollution source	Monitoring point location	monitoring factor	Monitoring frequency
Unorganized waste gas	Laser cutting process	Maximum concentration monitoring points ○ B1 and ○ B2 at the factory boundary	TSP	Sampling 3 times in a production cycle, continuous monitoring for 2 days

• Noise
  • • The noise source of the Project is mainly mechanical equipment. See Table 6-2 for the location, frequency, factor and monitoring period of noise monitoring in the Project.
      • • Table6-2  List of Noise Monitoring of the Project

Category	pollution source	Monitoring point location	monitoring factor	Monitoring frequency
Noise	Equipment noise	1m outside the factory boundary ▲ C1, ▲ C2, ▲ C3, ▲ C4	Noise at Boundary Leq	Monitor twice a day in the daytime and at night for 2 consecutive days

• solid waste
  • • The solid waste sources of this project are mainly domestic waste, general industrial solid waste (waste scrap) and hazardous waste. The generated domestic waste shall be collected and handed over to the municipal sanitation department of the park. The generated general industrial solid waste (waste scrap) is collected and sold to the waste recycling station. The generated hazardous waste (waste hydraulic oil) is collected and regularly handed over to Chongqing Alpha Petrochemical Co., Ltd. for disposal by taking "three prevention measures. This acceptance does not monitor solid waste.

 

Table VII

Records of production conditions during acceptance monitoring: According to the statistics of the acceptance monitoring unit on the acceptance monitoring conditions of the project for 2 consecutive days from March 05 to 07, 2018, the project designs and produces 700000 pieces of body structural parts/a and 650000 pieces of chassis structural parts/a; During the acceptance monitoring period, 1800 pieces of body structural parts/day and 1650 pieces of chassis structural parts/day will last for 300 days a year. The production load during the acceptance monitoring period of this project is 77.1 and 76.1 respectively.

Acceptance monitoring results: Commissioning effect of 1. environmental protection facilities   (1) Monitoring results of pollutant discharge up to standard ① Waste water The domestic wastewater generated by this project is treated by the sewage treatment facilities set up by Chongqing Baosteel Automobile Steel Parts Co., Ltd. and discharged into Jialing River through the municipal sewage pipe network after reaching the first level standard in Table 4 of the Comprehensive Wastewater Discharge Standard (GB8978-1996). The sewage treatment facilities of Chongqing Baosteel Automobile Steel Parts Co., Ltd. supported by this project have passed the completion environmental protection acceptance in December 2017, and the sewage treatment facility acceptance monitoring when the project has been in the normal production stage, according to the sewage treatment facility acceptance monitoring results show that the sewage treatment facility pollutant monitoring indicators can meet the "integrated sewage discharge standard" (GB8978-1996) Table 4 in the first standard. Therefore, this acceptance will no longer monitor the pollutants discharged from the sewage treatment facilities set up by Chongqing Baosteel Automobile Steel Parts Co., Ltd. ② Exhaust gas The waste gas source of this project is mainly the dust generated in the process of laser cutting. The dust generated by laser cutting of this project is discharged into the atmospheric environment in an unorganized form after being treated by the filter cartridge type dust collector of the equipment. See Table 7-1 for the unorganized monitoring and compliance of the waste gas of this project. Table7-1  List of Monitoring and Compliance of Unorganized Dust Emission of the Project Monitoring point location Monitoring date Project Unit Monitoring results 1 2 3 Wind direction at the factory boundary (1#) March 05, 2018 Particulate matter mg/m3 0.237 0.236 0.226 March 06, 2018 Particulate matter mg/m3 0.209 0.245 0.210 Downwind direction at plant boundary (2#) March 05, 2018 Particulate matter mg/m3 0.366 0.346 0.353 March 06, 2018 Particulate matter mg/m3 0.382 0.382 0.356 Standard Limits Particulate matter ≤ 1.0mg/m3 Standard Basis The unorganized emission standards in the "main urban area" in Table 1 of the Comprehensive Emission Standard of Air Pollutants in Chongqing (DB50/418-2016) analysis of results The monitoring results show that during the acceptance monitoring period, the emission concentration of the highest concentration monitoring point at the factory boundary of the unorganized dust emission of the project is lower than the unorganized emission standard in the "main urban area" in Table 1 of Chongqing Comprehensive Emission Standard for Air Pollutants (DB50/418-2016). ③ Noise The noise source of this project is mainly the noise generated by mechanical equipment during operation. The noise generated by this project is mainly reduced by building sound insulation and distance attenuation. See Table 7-2 for the noise monitoring and compliance of this project. Table7-2  List of Noise Emission Monitoring and Compliance of the Project Monitoring time Monitoring point location Monitoring value Leq:dB Main sound source Test Results Report the results Daytime March 05, 2018 N1 58.1 58.1 industrial production 57.4 57.4 N2 63.3 63.3 62.4 62.4 N3 54.5 54.5 55.0 55.0 N4 57.6 57.6 58.7 58.7 March 06, 2018 N1 49.6 49.6 58.5 58.5 N2 49.8 49.8 60.5 60.5 N3 47.8 47.8 54.7 54.7 N4 51.1 51.1 56.1 56.1 Night March 05, 2018 N1 51.2 51.2 49.6 49.6 N2 53.9 53.9 49.8 49.8 N3 49.2 49.2 47.8 47.8 N4 52.6 52.6 51.1 51.1 March 06, 2018 N1 49.8 49.8 47.5 47.5 N2 53.3 53.3 50.3 50.3 N3 49.9 49.9 47.8 47.8 N4 52.3 52.3 52.2 52.2 Standard Limits N1, N3 and N4 are implemented in three categories: daytime ≤ 65dB and nighttime ≤ 55dB;N2 is implemented in four categories: daytime ≤ 70dB and nighttime ≤ 55dB Standard Basis Class 3 and Class 4 of Emission Standard for Environmental Noise at Boundary of Industrial Enterprises (GB12348-2008) analysis of results The results show that during the acceptance monitoring period, the noise monitoring results at N1, N3 and N4 monitoring points at the project boundary did not exceed the requirements of Class 3 standards in the Emission Standard for Environmental Noise at Industrial Enterprise Boundary (GB12348-2008). The noise monitoring results at N2 monitoring points did not exceed the requirements of Class 4 standards in the Emission Standard for Environmental Noise at Industrial Enterprise Boundary (GB12348-2008). ④ Solid waste The solid waste sources of this project are mainly domestic waste, general industrial solid waste (waste scrap) and hazardous waste. The generated domestic waste shall be collected and handed over to the municipal sanitation department of the park. The generated general industrial solid waste (waste scrap) is collected and sold to the waste recycling station. The generated hazardous waste (waste hydraulic oil) is collected and regularly handed over to Chongqing Alpha Petrochemical Co., Ltd. for disposal by taking "three prevention measures. This acceptance does not monitor solid waste. (2) Monitoring results of removal efficiency of environmental protection facilities ① Wastewater treatment facilities The domestic wastewater generated by this project is treated by the sewage treatment facilities set up by Chongqing baoshan iron and steel parts co., ltd. and discharged into Jialing river through the municipal sewage pipe network after reaching the first-class standard in table 4 of the comprehensive sewage discharge standard (GB8978-1996). The sewage treatment facility of Chongqing baoshan iron and steel parts co., ltd., which is supported by this project, passed the completion environmental protection acceptance in December 2017. Therefore, the wastewater treatment efficiency is no longer counted in this acceptance. ② Waste gas treatment facilities The source of waste gas in this project is mainly dust generated in the process of laser cutting, and the dust generated by laser cutting in this project is discharged into the atmosphere in an unorganized form after being treated by the filter cartridge dust collector of the equipment. According to the monitoring results, the monitoring results of the unorganized emission of dust generated in the laser cutting process of this project all meet the unorganized emission standards in the "main urban area" in Table 1 of Chongqing Comprehensive Emission Standard for Air Pollutants (DB50/418-2016), indicating that the waste gas pollution prevention and control measures adopted by the project are effective and feasible. ③ Noise The noise source of this project is mainly the noise generated by the operation of mechanical equipment. According to the monitoring results, the noise generated by the project can meet the requirements of Class 3 and Class 4 standards in the Emission Standard for Environmental Noise at Boundary of Industrial Enterprises (GB12348-2008) after distance attenuation and building sound insulation. It shows that the noise control measures adopted by the project are effective and feasible. ④ Solid waste The solid waste sources of this project are mainly domestic waste, general industrial solid waste (waste scrap) and hazardous waste. The generated domestic waste shall be collected and handed over to the municipal sanitation department of the park. The generated general industrial solid waste (waste scrap) is collected and sold to the waste recycling station. The generated hazardous waste (waste hydraulic oil) is collected and regularly handed over to Chongqing Alpha Petrochemical Co., Ltd. for disposal by taking "three prevention measures. The solid waste disposal efficiency of the Project is 100%. (3) Total amount accounting The source of waste gas in the production process of the project is mainly dust emitted in an unorganized manner. Therefore, there is no total control index requirement for waste gas in this project. The domestic wastewater generated by the Project shall be treated by the sewage treatment facilities set by Chongqing Baosteel Automobile Steel Parts Co., Ltd. and discharged into Jialing River after reaching the first level standard in Table 4 of the Comprehensive Wastewater Discharge Standard (GB8978-1996). The total amount of wastewater shall not be set separately for the Project. (4) Impact of project construction on environment The impact of the construction of the Project on the environment is mainly due to noise, unorganized discharge of dust and domestic wastewater, which have certain adverse effects on the surrounding environment. According to the monitoring results, the waste gas, waste water and noise generated by the project can be discharged up to the standard. According to the investigation and understanding, there has been no relevant environmental complaints since the completion of the project. Therefore, the impact of the project on the environment is small, and the impact is within the acceptable range.

Table VIII

Acceptance monitoring conclusion:
Commissioning effect of 1. environmental protection facilities
According to the completion acceptance monitoring of waste water and waste gas of the project for two consecutive days from March 05 to 06, 2018, the production load during the monitoring period is 76.1, and all environmental protection and control facilities operate normally during the monitoring period, meeting the acceptance monitoring conditions and requirements; According to the monitoring results, the monitoring results of unorganized dust emission and factory boundary noise of the project can meet the requirements of corresponding standards, indicating that the pollution prevention and control measures taken by the project are effective and feasible.
Total quantity control indicators are not involved in the operation of the project.
Impact of 2. engineering construction on the environment
The impact of the construction of the Project on the environment is mainly due to the adverse effects of waste gas and waste water on the surrounding environment. According to the monitoring results, the waste gas generated by the project can be discharged up to the standard, and the domestic wastewater generated by the project is pre-treated by the pre-treatment facilities set in the project and used as the surrounding farmland as agricultural fertilizer, and is not discharged to the outside. According to the investigation and understanding, there has been no relevant environmental complaints since the completion of the project. Therefore, the impact of the project on the environment is small, and the impact is within the acceptable range.
3. comprehensive conclusion
The "Stamping Thermoforming Production Line Project" of Hangzhou Baowei Auto Parts Co., Ltd. Chongqing Branch has set up full-time environmental protection management personnel. The engineering environmental protection approval procedures and environmental protection data files are complete, and an environmental protection management system has been established. Various environmental protection facilities and environmental management measures are basically implemented in accordance with the requirements of the EIA report and its approval, and the pollutant monitoring results meet the requirements of corresponding standards, during the construction of the project, methane was canceled as an auxiliary material and the production process was canceled, and the construction site, process and scale were not significantly changed compared with the EIA and approval.
To sum up, the project meets the requirements of environmental protection acceptance.