SL/T 777-2019 in English

VALID

Guidelines for water- -draw and utilization assessment on coastal nuclear power plants

Issued on:2019-05-31
Implemented on:2019-08-31
File Format:PDF
Delivery:Via email within 5 business days

Price(USD)： $1,100.00
$1,067.00

Standard No:	SL/T 777-2019
Document status:	VALID
Title in English:	Guidelines for water- -draw and utilization assessment on coastal nuclear power plants
Title in Chinese:	滨海核电建设项目水资源论证导则
Language:	English
File Format:	Electronic (PDF)
Delivery:	Via email within 5 business days
Issued on:	2019-05-31
Implemented on:	2019-08-31
Professional Classification:	SL-Water Resources
Related Keywords:	coastal nuclear power plants introduction analysis coastal nuclear power projects nuclear power nuclear power industry utilization assessment
Related Topics:	water resources construction project argument nuclear power nuclear power standards water resource argument sea of guidelines project source Overseas hydropower projects Seawater five tests marina construction project Water Resources Justification Guidelines Water Resources Justification Guidelines Purpose of the guideline Guidance on Water Resource Demonstration for Construction Projects in Mining Industry Guidelines for Water Resources Demonstration of Construction Projects Water Guidelines water resource argument Construction Project Water Resources Demonstration Guidelines 2021 Construction Project Water Resources Demonstration Guidelines 2023 Water resources demonstration does not require qualifications GJB181 power supply characteristics project sl/t 789-2019

Introduction

Analysis of the core content of the standard

1. Scope of application and particularity

This standard is based on the particularity of coastal nuclear power projects and is clearly applicable to new/expanded projects that use seawater as a cooling water source and discharge water directly into the sea (Article 1.0.2). Key requirements:

Differentiated water supply: Priority should be given to desalinated water and recycled water (Article 1.0.3)
Prohibition of groundwater extraction: Groundwater is strictly prohibited for production water
Radioactivity monitoring: The impact of liquid effluent on the seawater intrusion area needs to be evaluated (Article 4.0.3)

2. Comparison of key technical requirements

Dimensions	Construction requirements	Operation requirements
Demonstration level	Uniform demonstration according to Level 1 (Article 2.2.1)
Water source reliability	Need to analyze the peak water consumption for 12 consecutive months (Article 6.4.1)	Require long series water supply regulation calculation (Article 6.3.4)
Water saving index	Refer to provincial water consumption quota (Article 5.2.5)	Need to reach the advanced level of nuclear power industry (Article 5.5.2)

3. Implementation points and cases

Typical application scenarios:

A certain AP1000 unit project is under demonstration:

Adopt a double-membrane desalination system with a recovery rate of ≥75% (refer to DL 5068)
Distinguish between normal/overhaul conditions during operation water balance analysis (Article 5.4.2)
Establish a radiation monitoring network covering 5km of the plant area (Article 8.3.2)

4. Background of Standard Evolution

Under the framework of GB/T 35580, this standard targets nuclear power:

Add impact assessment of liquid radioactive effluents (Article 7.3.3)
Refine the calculation method for multi-unit superimposed water consumption (Article 5.6.3)
Introduction of feasibility demonstration requirements for water rights trading (Article 6.2.5)

More samples: JJG 21-2008 GB 50021-2001(2009) GB 18306-2015

Sample only — not a preview of SL/T 777-2019

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