Construction projects contracted outside the network need to purchase the building materials which? Such as covers, sewage pipes ... experts to answer, the more specific the better material, thank you
Any formal project must have a detailed list of works, which is already prepared in the bidding phase, and this bill of quantities is part of the contract. Only need to purchase the material by bill of quantities on it.
Steel pipe, brick, cement, sand, cover, tee, elbow, adjustable, compensator, and so on. , The production of fixed section of the iron plate.
You have to see what the contents of the contract, the external network of gas, heat, water, water, rain sewage, electricity, telecommunications and so on, the tiger mutual port on the fan song song you need to buy brick, block, Covers, related pipes, pipe fittings, cement, sand, concrete
