Chennai Metropolitan Water Supply And Sewerage Board Tender

Supply, delivery at site , conveying and fixing following sizes of DI specials of DI push - on joint specials as mentioned below conforming to IS: 9523/2000 including loading, unloading and stacking at the site etc as directed by the engineer at site, and including labour charges for earthwork excavation for trenches in hard stiff clay, blackcotton, 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 and lift of 2m conveying to the site of work, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, disposal of surplus earth as directed by the Engineer at site. etc . complete

750mm 45 deg D/S bend

750mm M/J collar

Cutting of DI Pipes true to axis and finishing the ends complete .

750mm

Jointing the DI Socket/spicot specials with rubber gasket(Tyton joint) including cost of jointing materials etc. complete.

For specials

750mm

Testing of DI pipes with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stetches and attending the bursts if any occurred during the test, excluding the cost of pipes, including other incidental and operational charges etc. complete for the following diameters of pipes.

750mm

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.

Cutting of Road surface

Asphaltic Road

Bus Route

Construction of Thrust block of standard size with PCC 1:3:6 using 40 mm BG Jelly including fixing of M.S rod for anchorage as directed during execution including earth-work excavation, centering, reinforcement , curing etc complete for various bends,Tees as mentioned below

750mm 45 deg D/S bend

Hire charges for diesel pumpset upto 5HP with fuel and crew charges including tranportation for bailing out of sub-soil water

Providing 100mm thick cement concrete M20 grade after refilling of trenches for temporary restoration of Bus route roads for the works carried out during Night works

Bill No.2. Shifting of 300mm Diameter Sewer main

Construction of RCC machinehole using sulphate resistant cement with M30 design mix concrete using Crushed stone sand (M sand) including earthwork excavation as per SS20B , providing point edge to well kerb for sinking using ISA 150x75x10mm weighing at 16.9kg/m, sinking well kerb below 2.0m from G.L. or by open excavation for various depth as per site conditions 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 PCC 1:3:6 using 40mm hard broken granite jelly, laying plain cement concrete 1:3:6 using 12mm to 20mm hard broken granite jelly for fixing the frame, fixing FRC machinehole cover and frame, providing CI steps, ,benching and channelling including refilling the trenches with excavated earth and disposal of earth etc., including testing the machinehole with water for 48 hours to check water tightness and rectifying the defects if any complete for the following size of machineholes.

1200mm dia Circular Machine Hole for Sewers (upto 450mm dia)

at 3.5m deep

Supply, delivery, laying and jointing of Double wall corrugated /structured wall plastic polyethylene/polypropylene pipes DWC PE or PP of class SN-8 with non-smooth external Annular Corrugated and Smooth Internal Surfaces in Standard lengths with online c

300 mm dia @ an ave.depth 4.5 m

Cement concrete 1:3:6 using Crushed stone sand (M-sand) and 40mm gauge hard broken stone jelly for plain cement concrete works (SRC) including laying in layers of not more than 15cm thick including ramming curing, etc., complete for End concrete.

Providing formwork with centering for soffits of reinforced cement concrete slabs or plain surface including strutting upto 4.0m high etc complete complying with standard specifications

Supplying and filling with stone dust for bedding for a thickness of 10cm and back fill envelope for a thickness of 150mm above the crown of the pipe for DWC PE pipes including ramming, consolidation etc., complete

Refilling with excavated soils (other than sand) complying with standard specifications for filling in foundations and basement.(for DWC PE or PP pipe length)

Disposal of surplus earth (for DWC PE or PP pipe length)

Sub Total

GST @ 18%