Zhejiang Provincial Department of housing and urban rural development recently issued six construction standards:

Technical code for energy saving renovation of existing office buildings of state organs

No. db33/t1195-2020,

Effective date: from September 1st, 2020


Technical specification for ground source heat pump system engineering

No. db33/t1194-2020

Effective date: from September 1st, 2020


Sewage discharge standard for rural domestic sewage treatment facilities

No. db33/t1196-2020

Effective date: from July 1st, 2020


Technical specification for construction and renovation of rural domestic sewage treatment facilities

No. db33/t1199-2020

Effective date: from July 1st, 2020


Standard for construction quality acceptance and inspection of building foundation engineering

No. db33/t1197-2020,

Effective date: from September 1st, 2020


Technical specification for grouting connection of steel sleeve in prefabricated concrete structure

No. db33/t1198-2020

Effective date: from October 1st, 2020


The specific contents of the above standards can be viewed at the Department of housing and urban rural development of Zhejiang Province.