Laying of UGD Pipe line and Construction of UGD Chamber at NGP Garden and Siruvani Garden in Ward No76 South Zone Coimbatore Corporation

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20Bas directed by Departmental officers

Earth work excavation for foundation in ordinary soil, light black cotton sandy loam and dry silt including shoring, strutting, baling or pumping out water herever necessary and refilling the sides of foundation with excavated earth in layers of 15cm thick and depositing the surplus earth at places as directed by the departmental officers with initial lead and lift - 10 m

Plain cement concrete 1:4:8 mix (One cement four M.Sand and eight aggregate) using 40mm size ISS gauge HBBG metal including mixing, laying, consolidating, curing, cost and conveyance of all materials to site and all labour charges etc., complete as per standard specification - 1 m3 (detailed data for 10 m3 )

Supplying and erecting for shuttering, including necessary supports for plane surface in foundation and basement for RCC column footings, Plinth beams, staircase steps, etc., using mild steel sheets of size 90cm x 60cm and 10gauge, stiffened with mild steel angle of size 25mm x 25mm x 3mm for boarding, supported by silver oak joists of size 10 x6.5cm, spaced at about 90cm centre and supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre complete, complying with standard specifications and as directed etc., complete - 1 m2

Plain cement concrete 1:3:6 mix (One cement three M.Sand and six aggregate) using 20mm size ISS gauge HBBG metal including mixing, laying, consolidating, curing, cost and conveyance of all materials to site and all labour charges etc., complete as per standard specification - 1 m3 (detailed data for 10 m3)

Plastering with cement mortar 1:5 mix, 12mm thick - 1 m2

Supplying, fabrication and placing in position of steel reinforcement using mild steel of Ribbed for steel rods, for all RCC works as per the design given by the epartmental officers including cost of steel and binding wore and all labour charges for cutting, bending & tying etc., complying with standard specifications - 1 Quintal

Supplying and erecting CENTERING for sides and sofits including supports and strutting up to 3.29 m high for plane surfaces such as RCC SLABS, with all cross bracings using mild steel sheets of size 90cm X 60cm and BG 10 stiffened with welded mild steel angles of size 25mm * 25mm * 3mm for boarding laid over country wood joists of size 10cm X 6.50cm spaced at about 90cm centre to centre and supported by Casuarinas props of 10cm to 13cm dia spaced at 75cm centre to centre etc., complete and as directed.

Providing and laying in position of ready mix concrete 1:1.5:3 mix using Portland cement with water cement ratio not exceeding 0.45 including the use of plastidizer of approved make and dosage required grade at all location and levels using 20mm ISS gauge HBBG metal and down graded aggregates in all type of works including hire charges for pump and pumping charges to required location. machine, vibrating, tapping, curing as specified charges conveyance for ready mixed concrete from RMC plant to site or required (excluding cost of reinforcement, fabrication charges centering and shuttering ) mix by departmental officers etc complete as per IS 4926 of 1976/1990

Supply and delivery of following sizes of FRC Manhole Covers / Frames to stores as per IS 12592:2002 to its latest revision with reinforcement details for covers and frame 600mm dia FRC manhole frame to have clear opening of 600mm dia to suit 600mm dia FRC Cover of Departmental officers.