Table 2.
A batch of cement in bags of no more than 200t and a batch of cement in bulk of no more than 500t shall be sampled at least once.
Before sampling, the surface of the sampling parts shall be removed.
Operation certificates of main professional types of work (tower crane, scaffolder, gantry, electric welder, butt welder, straight thread welder and electroslag welder) 3.
Temporary facilities (scheme), safe and civilized construction preparation.
test data soil: it is divided into original soil test and soil compaction test.
Post cast strip (formwork installation, opening appraisal, concrete construction, mix proportion, raw materials and formwork removal) Laboratory data I.
Foundation trench inspection record 4.
Sand and gravel: 400m3 or 600t of the same origin and specification shall be taken as the acceptance batch, and less than 400m3 or 600t shall also be taken as a batch.
4.
If less than 35000 pieces are also taken as a batch, 12 pieces are taken from each batch of samples passing the appearance quality and dimensional deviation inspection by random sampling method For hollow bricks of the same manufacturer, 35000 ~ 150000 pieces of the same specification shall be regarded as a batch, and less than 35000 pieces shall also be regarded as a batch 50000 perforated bricks from the same manufacturer are a batch For each manufacturer of small concrete hollow blocks, at least one group shall be sampled for every 10000 blocks, and not more than two groups shall be used for the foundation and bottom layer of buildings above multi-storey Mix proportion: concrete mix proportion shall be made according to different cement varieties, different cement delivery dates, mortar, concrete characteristics, strength grade and different building parts.
20 bags of cement shall be sampled at different points of bagged cement, each bag shall not be less than 0.5kg, and the cumulative sampling shall not be less than 12kg; for bulk cement, one vehicle shall be taken as a sampling point, each point shall not be less than 1kg, and the cumulative sampling shall not be less than 12kg.
The engineering survey and positioning records shall include all the following items: basic information table of construction project, construction approval materials (vertical approval required from the owner), construction project planning license (planning license required from the owner), letter of acceptance of construction project (letter of acceptance required from the owner), construction contract (construction contract required from the owner) supervision contract (supervision contract required from the supervision unit) copies of construction unit qualification, personnel certificate, project supervision organization and relevant certificates, copies of design unit qualification, personnel certificate, survey unit qualification, personnel certificate, project construction organization and relevant certificates (including qualification certificate and personnel work permit) (constructor, budgeter, quality inspector, safety officer, materialman, labor protection officer, surveyor, sampler, documenter, drainage, heating, electrical engineer and project manager) Drawing joint review records and design change documents design documents and quality management inspection records and attached tables of construction site before design change and commencement 1.
Cement: 1 package Stone: 150kg sand: 60kg mortar mix proportion Cement: 20kg sand: 40kg remarks: when the constituent materials of concrete and mortar are changed, the mix proportion shall be determined again.
Tension: two 40cm, bending: two 15cm5d (D is the rebar diameter) Carbon structural steel and low-alloy high-strength steel of steel structure with the same brand, grade, variety, size and delivery status of no more than 60t are one batch Cold rolled ribbed bars with the same brand, specification, shape, production process and delivery status of no more than 60t are one batch, with 2 bending tests for each batch and 1 Tensile test for each batch Reinforcement flash butt welding 300 joints of the same brand and diameter completed by the same welder in the same shift: three 40cm bending: three 15cm5d joints sampling: when the welding quantity in the same shift is small, it shall be accumulated within one week.
Source: Construction Management mobilization preparation 1.
Cement and fly ash: cement of the same manufacturer, grade, variety and batch number and continuously entering the site.
For fly ash, 200t fly ash continuously supplied at the same grade shall be taken as a batch, and 8kg steel shall be sampled each time: the hot binding rib of reinforced concrete and smooth round reinforcement shall be of the same brand and specification 60t is a batch, and two rebars shall be cut from each batch of materials.
Project commencement report, construction permit, construction organization design, submission of materials and equipment for review.
Cushion (formwork installation, opening identification, concrete construction, mix proportion, raw materials and formwork removal) 6.
Quality responsibility system 1.
Commencement site acceptance.
Engineering survey and positioning records 2.
If the accumulated number is still less than 300 joints, it shall be treated as a batch of reinforcement arc welding: in the cast-in-situ concrete structure, reinforcement of the same brand and no more than 300 joints of the same joint type shall be regarded as a batch Batch, stretching: for three 40cm steel bars in the house structure, no more than 300 steel bar joints of the same brand in the second floor and no more than 300 joints are regarded as a batch, less than 300 are still regarded as a batch of steel bar electroslag pressure welding; for the house structure, no more than 300 steel bar joints of the same brand in the second floor and 300 joints are regarded as a batch, less than 300 are still regarded as a batch Mechanical connection of reinforcement: no more than 500 joints of the same construction condition, the same batch of materials, the same grade, the same type and the same specification are one batch (it is still one batch when there are less than 500 joints on the same floor installed on site) Ordinary brick, hollow brick and aerated block: 35000 ~ 150000 pieces of sintered ordinary bricks of the same manufacturer and the same specification are taken as a batch.
Qualification contract of subcontractors 4.
Ring knife sampling shall be used for backfilling the column base in the lower half of each layer after compaction: 10% of the total number of column bases shall be sampled, but not less than 5 foundation trench and pipe trench backfilling: each layer shall be sampled according to the length of 20 ~ 50m, but not less than 1 group (3) Site leveling and filling: one group shall be sampled for each layer with a length of 400 ~ 900m2, but not less than one group (3) Foundation pit and indoor backfilling: sample one group according to 100 ~ 500m2, but not less than one group (3) The soil quality shall be sampled according to the type of soil sample, and 20kg of each kind of soil sample shall be taken.
When there is doubt about the quality of cement in use or ordinary portland cement has been delivered for more than three months, it must be re sampled.
Earthwork excavation inspection batch 3.
Geological survey documents 6.
Beam slab stairs on the first floor (construction measurement and setting out, reinforcement processing, reinforcement installation, formwork installation, opening appraisal, concrete construction, mix proportion, raw materials and formwork removal) 10.
Foundation backfill (earthwork backfill inspection batch) 8.
Construction organization design, construction scheme and approval of construction inspection batch sequence 1.
Review of construction drawings (construction drawing review certificate) 5.
Then the sand shall be roughly the same from each part For stones, approximately 15 samples from each part (obtained from five different parts evenly distributed at the top, middle and bottom of the pile) are taken to form a group of samples..
When sampling on the pile, the sampling parts shall be evenly distributed.
3.
Foundation Treatment Inspection batch record 5.
Concrete mix proportion design and material submission for inspection.
First floor column (construction survey and setting out, reinforcement processing, reinforcement installation, formwork installation, opening appraisal, concrete construction, mix proportion, raw materials and formwork removal) 9.
2.
Foundation beam (construction survey and setting out, reinforcement processing, reinforcement installation, formwork installation, opening appraisal, concrete construction, mix proportion, raw materials and formwork removal) 7.
