Chennai Metropolitan Water Supply And Sewerage Board Tender

Dewatering using 10HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour charges, conveyance of pumpset and fuel to site and back,loading, unloading and any other incidental charges etc., complete.

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites.

Construction of RCC machine hole using sulphate resistant cement with M30 design mix concrete using Crushed stone sand (Msand) including earth work excavation as per SS20B, providing point edge to well kerb using ISA150x75x10mm weighing at16.9kg/m,sinking well kerb below 2m fromG.L.or by open excavation for various depth as per site condition with M30 mix for side wall,raft and roof slab,including cost of steel reinforcement, including bailing and pumping out water,formwork,plugging the bottom with PCC1:3:6 using 40mm hard broken granite jelly,laying plain cement concrete1:3:6 using 12mm to 20mm hard broken granite jelly for fixing frame,fixing FRC machine hole cover and frame,providing CI steps,,benching and channelling including refilling the trenches with excavated earth and disposal of earth etc.Including testing the machine hole with water for 48hours to check water tightness and rectifying the defects if any complete for the following size of machineholes.

For 4.0m depth -1.2 m dia-upto 450mm dia

Encasing concrete Cement concrete 1:3:6 using Crushed stonesand (M-sand) and 40mm gauge hard broken stone jelly & SRC for plain cement concrete works including laying in layers of not more than15cm thick including ramming curing,etc., complete.

Supplying, laying jointing and testing 100mm dia SW pipe including earthwork excavation for trenches in hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m. lowering the pipes into the trenches, aligning, refilling the trenches with excavated earth in layers of not more than 23cm thick watering, ramming to consolidation and disposal of surplus earth etc., complete at an average depth of 2.0m. Including backfilling of trenches and disposal of surplus earth

Providing House Service Connection in Water Mains : Supplying and laying of MDPE (PE80) Blue pipe (IS:4427) with necessary specials including earth work excavation laying jointing testing, refilling the trenches and disposal of surplus earth etc.complete.

20mm O.D.

Cement concrete 1:2:4 using 20mm gauge hard broken stone jelly and SRC for Reinfored Cement concrete works including laying in position, compacting, curing, finishing, etc., complete.For Road cut Restoration

Sub Total

GST @ 18%