Reconstruction and raising of existing damaged UGD chambers at ward areas in ward no 86 south zone coimbatore corporation

Amount

ORDINARY SOIL (SS20B) earth work excavation and depositing on bank with initial lead of 10m and initial lift of 2m in sand, silt or other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excavated earth (SS20B) etc complete

Dismantling the old damaged RCC slab including all cost etc complete as per the direction of departmental officers

Sand and silt under water (SS20B) earth work excavating and depositing on bank with initial lead of 10m and initial lift of 2m in slush and silt under water upto 0.75m depth requiring the aid of basket and vessels (SS20B) etc complete as per the direction of departmental officers

Centering with steel centering for revetment, drain and culvert upto 1.20m depth using MS sheet of size 0.90X0.60m 10 gauge thick and stiffened with MS 'L' angle wood runners of size 0.075 X 0.05 three rows with support by casurina pullys 0.075 cm at 0.45 m length including cost of nails etc., Area. 10.80 sq.mtr (upto 4 Feet)

Cement concrete 1:2:4 (one cement, Two sand and Four aggregater) using 20mm BSS HBG metal and including cost of all materials and labour charges for mixing, laying, compacting and curing etc, complete as per SS

Plastering with cement mortar 1: 5 mix (One cement and five sand) 12 mm thick including cost and conveyance o all materials, finishing,curing,and , all labour chargesetc.completeas Standard specification.

Supply and erecting centering for sides and soffits including supports and strutting upto 3.29m high for plane surfaces such as RCC slabs, Rectangular beems, Tee (or) ECC Beam, Lintel, Bed Block, Staircase waist and landing slabs landing beams, canopy etc., in all floor 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 X 25 X 3mm for boarding laid over country wood joinsts of size 10cm X 6.50 cm spaced at about 90cm C/C and supports by Causrina props of 10cm to 13cm dia spaced at 75cm C/C etc., completed as directed. SI.No.123

Supplying and fabrication and placing in position steel reinforcement using mild steel/Ribbed for steel rods for all RCC work as per the design given including cost of steel and binding wire in all floors complying with standard specification and drawings etc..,

Supplying and fixing of SFRC manhole cover of size 600mm diameter frame, counter sunk holding screws, etc., . complete complying with standard specification at all leads .& lifts

Supplying and delivery of UN PLASTICIZED NON - PRESSURE POLYVINYL CHLORIDE (PVCU) PIPES FOR USE IN UNDERGROUND DRAINAGE AND SEWERAGE SYSTEMS etc., complete complying with standard specification

Lowering PVC/ DWSC rigid pipes and specials to trench and laying to proper grade and alignment, jointing with PVC couplers with cement paste. etc., complete complying with standard specification

Reinforced Cement concrete M20 (Mix 1:1 '2 :3 one part o cement, one half parts of sand and three. parts of 20mm hard blue granite metal by volume, characteristic strength not less than 20 N /Sqmm machine mixed, for all reinforced cement concrete works, including scaffolding, cost of all materials, , machine mixing, vibrating, lifting curing, labour charges for laying & finishing etc., but excluding the cost and fabrication of reinforcements and also excluding centering and formwork etc., completer complying with the relevant standard specification at all leads inside the building.

Conveyance the excess earth or earth not suitable for refilling, dumpling and spreading, leveling of the same at places of dump approved by departmental officers and as directed including lorry hire charges, labour for loading, ‘unloading, spreading, leveling, making approaches for areas of dumps etc., complete

GAssociates