Public Works Department Tender

Demolishing cement concrete manually/by mechanical means including disposal of material within 50 metres lead 1:3:6 or richer mix.

Earth work excavation above water level and depositing on bank in sandy silt or other soil, wet sand or silt, light black cotton soil or clay, sandy loam & ordinary soil for I.C's man hole, well, infiltration, suction well including driving shoring materials etc. for excavation purpose and removing the shoring materials and refilling the trenches with excavated earth complying with standard specification., complete - For first depth of 2 metres (using close timbering).

Construction of circular manholes in brick masonry with country bricks conforming to IS 12894-2002 of class designation 100 in circular manholes, providing and laying 200 mm thick of cement concrete 1:4:8 (one cement, four coarse sand and eight hard broken granite stone arrgregate of 40 mm nominal size), side walls with country bricks in cement mortar 1:4 (one cement and four sand) as shown in drawings. Cement plastering with inside wall in C. 1:3 (one cement and three fine sand) with 20 mm thick using Sulphur Resistants Portlans Cement (SRPC), providing, beinching and channeling with CC 1:1 1/2 : 3 (one cement, one and half sand and three hard broken granite stone aggregate of 20 mm nominal size), finishing bottom 20 mm thick cement plaster in C.M 1:3 (one cement and three fine sand) with neat cement using SRPC cement, providing and fixing 560 mm dia Heavy Duty SFRC covers with frame made as per IS 12592-2002 (I & ii) in accordance with “CPHEEO Manual on Sewerage & Sewage treatment and relevant IS codes”. Fixing of C.I./PVC steps as shown in drawings, but excluding its cost which will be paid separately.