- DL/T5417-2009火电厂烟气脱硫工程施工质量验收及评定规程（英文版）
- 电力企业联合会
- 1308字
- 2021-03-31 18:26:23
5.3 Quality Criteria and Inspection Method for Civil Works
5.3.1 The construction quality criteria and inspection methods for position and marking，earthworks and foundation pit works，foundation and base treatment works，waterproofing works，masonry works，concrete structure works，steel structure works，ground and floor works，roofing works，construction and decoration works，corrosion protection works，water supply and drainage works，heating ventilation and air conditioning works，building electricity works，elevator and in-plant road works of flue gas desulfurization project should comply with DL/T 5210.1-2005.
5.3.2 SO2 absorption system.
1 Unit project position and marking，Formwork of absorber foundation installation，absorber foundation concrete appearance and dimensional deviation should comply with this standard，and the others shall comply with DL/T 5210.1-2005.
2 Unit project position and marking.
1）Application scope:unit project（foundation of each building，structure and major equipment）.
2）Inspection quantity:all inspection.
3）Quality criteria and inspection methods Refer to Table 5.3.2-1.
Table 5.3.2-1 Quality criteria and inspection methods for position and marking of unit project
3 Absorber foundation formwork installation.
1）Quantity inspection:For major items，100% check，then spot check 3-5 places（2-3m for each place），check carefully and take measurements，for general items，spot check 5-10 places，measure 5 data for each item at least.
2）Quality criteria and inspection methods:Refer to Table 5.3.2-2.
Table 5.3.2-2 Quality criteria and inspection methods for（absorber/booster fan foundation）formwork installation works
Table 5.3.2-2（Continued）
4 Concrete appearance and dimensional deviation
1）Inspection quantity:spot check 10 or more representative positions with complete inspection and measurement.
2）Quality criteria and inspection methods:Refer to Table 5.3.2-3.
Table 5.3.2-3 Quality criteria and inspection methods for concrete appearance and dimensional deviation（absorber/booster fan foundation）
Table 5.3.2-3（Continued）
5.3.3 Flue gas system.
Unit project position and marking shall comply with clause 2 of 5.3.2，the others should comply with DL/T 5210.1-2005.
5.3.4 Limestone preparation and slurry transportation system.
Unit project position and marking should comply with clause 2 of 5.3.2，underground concrete structure formwork installation works，limestone silo formwork installation，limestone（powder）silo formwork（slip formwork）installation works，limestone（powder）silo concrete structure appearance and dimensional deviation，cast-in-situ concrete hopper Formwork installation works，cast-in-situ hopper steel bar erection works，cast-in-situ concrete hopper structure appearance and dimensional deviation，concrete hopper high polymer plate wear resistance layer，steel hopper assembly works and steel hopper installation works should comply with this Standard，the others should comply with DL/T 5210.1-2005.
1 Underground concrete structure Formwork installation works:
1）Inspection quantity:
Major Item
100% inspection.
General items
Formwork installation，floor:All inspection.
Arching of reinforced concrete beam/slab:In one inspection lot，10% and no less than 3 pieces should be checked for beam，and spot check 10% and no less than 3 checking surfaces classified by longitudinal and transverse axes for slab.
Embedded parts，reserved holes:In one inspection lot，10% and no less than 3 pieces shall be checked for beams/columns，spot check 10% and no less than 3 checking surfaces classified by adjacent axes for walls and by longitudinal and transverse axes for slab.
Formwork installation deviation:In one inspection lot，10% and no less than 3 pieces shall be checked for beams/columns，spot check 10% and no less than 3 checking surfaces classified by axes for walls and slab.
2）Quality criteria and inspection methods:Refer to Table 5.3.4-1.
Table 5.3.4-1 Quality criteria and inspection methods for underground concrete structure formwork installation works
Table 5.3.4-1（Continued）
Table 5.3.4-1（Continued）
2 Limestone（limestone powder）silo formwork installation:
1）Inspection quantity:
Major Item
All inspection.
General items
Formwork installation:All inspection.
Make a spot check every 1.5m of raise in height，no less than 6 points for each check.In one inspection lot，10% and no less than 3 pieces shall be checked for installation deviation.
Embedded parts:In one inspection lot，10% and no less than 3 embedded parts shall be checked.
2）Quality criteria and inspection methods:Refer to Table 5.3.4-2.
Table 5.3.4-2 Quality criteria and inspection methods for limestone（powder）silo wall formwork installation
Table 5.3.4-2（Continued）
3 Limestone（powder）silo formwork（slip Formwork）installation:
1）Inspection quantity:
Major Item
All inspection.
General items
Formwork installation:All inspection.
Make a spot check every 3m of raise in height，no less than 6 points for each check.In an inspection lot，spot check 10% and no less than 3 pieces shall be checked for installation deviation.
Embedded parts:In an inspection lot，spot check 10% and no less than 3 embedded parts shall be checked.
2）Quality criteria and inspection methods:Refer to Table 5.3.4-3.
Table 5.3.4-3 Quality criteria and inspection methods for limestone（powder）silo formwork（slip formwork）installation
Table 5.3.4-3（Continued）
4 Limestone silo concrete structure appearance and dimensional deviation:
1）Inspection quantity:
Major Item
All inspection.
General items
All inspection for appearance quality.
Make a spot check every 1.5m of raise in height，no less than 6 points for each check.
2）Quality criteria and inspection methods:Refer to Table 5.3.4-4.
Table 5.3.4-4 Quality criteria and inspection methods for limestone（powder）silo concrete structure appearance and dimensional deviation
Table 5.3.4-4（Continued）
5 Cast-in-situ concrete hopper formwork installation works:
1）Inspection quantity:Lower/upper opening center elevation，center position deviation and reserved holes shall be checked one by one，the other inspection items shall be spot checked at no less than 5 places.
2）Quality criteria and inspection methods:Refer to Table 5.3.4-5.
Table 5.3.4-5 Quality criteria and inspection methods for cast-in-situ concrete hopper Formwork installation
Table 5.3.4-5（Continued）
6 Cast-in-situ concrete hopper steel bar erection works:
1）Inspection quantity:check one by one，no less than 5 places for each inspection item.
2）Quality criteria and inspection methods:Refer to Table 5.3.4-6.
Table 5.3.4-6 Quality criteria and inspection methods for cast-in-situ concrete hopper steel bar erection works
7 Cast-in-situ concrete hopper structure appearance and dimensional deviation:
1）Inspection quantity:The center and elevation of reserved hole and embedded pipe shall be checked one by one，the other items shall be spot checked for no less than 5 places.
2）Quality criteria and inspection methods:Refer to Table 5.3.4-7.
Table 5.3.4-7 Quality criteria and inspection methods for cast-in-place concrete hopper structure appearance and dimensional deviation
8 High polymer plate wear resistance layer of concrete hopper:
1）Inspection quantity:All inspection.
2）Quality criteria and inspection methods:Refer to Table 5.3.4-8.
Table 5.3.4-8 Quality criteria and inspection methods for high polymer plate（UPE）wear resistance layer of concrete hopper
9 Steel hopper assembly works:
1）Inspection quantity:All inspection.
2）Quality criteria and inspection methods:Refer to Table 5.3.4-9.
Table 5.3.4-9 Quality criteria and inspection methods for steel hopper assembly works
Table 5.3.4-9（Continued）
Note:L2 is bar length，t is the thickness of plate，b3 is part width，D5 is the diameter of hopper upper or lower internal opening
10 Steel hopper installation works:
1）Inspection quantity:All inspection.
2）Quality criteria and inspection methods:Refer to Table 5.3.4-10.
Table 5.3.4-10 Quality criteria and inspection methods for steel hopper installation works
Note:H is milled surface at the end of the height structure of hopper girder
5.3.5 Gypsum dewatering，waste water treatment and utility system.
Unit project position and marking should comply with 5.3.2-1，the others should comply with DL/T 5210.1-2005.