Construction of 60000 lits OHT at Orraikkalpalayam H/O MGC Palayam Panchayat

Name of the Work : Construction of 60000 lits OHT at Orraikkalpalayam H/O MGC Palayam Panchayat . (12m Staging Height.)

Earth work excavation for foundation in all soils and sub-soils such as hard stiff clay, stiff black cotton soil, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders, hard gravelly soil to full depth as may be directed except in hard rock requiring blasting but inclusive of shoring, strutting and bailing out water wherever necessary and depositing the surplus earth in all places shown by the departmental officers with initial leads and lifts, etc., including levelling the site complete complying with standard specifications and as directed .First depth of 2m

Second depth of SDR 1m

Supplying and Filling foundation and basement with filling sand in layers not more than 15cm . Thick well ramed, watered and compacted Complete complying with Standard specification.

Cement concrete 1:4:8 (One of cement, four of sand and eight of hard broken stone) using 40mm size hard broken stone inclusive of shoring, strutting, bailing out water, ramming, curing etc., complete in all respects as directed by the departmental officers

Cement concrete 1:2:4 (One of cement, four of sand and eight of hard broken stone) using 20mm size hard broken stone inclusive of shoring, strutting, bailing out water, ramming, curing etc., complete in all respects as directed by the departmental officers

Supplying and erecting centering for sides and soffits including supports for all reinforced cement concrete works like lintels, beams, etc., including strutting 3M high using Mild steel sheets of size 90cm × 60cm and B.G. 10, stiffened with Mild steel Angles of size 25mm × 25mm × 3mm laid over Silver oak (cw) joists of size 10cm × 6.5cm (Spaced about 91cm c/c) and supported by casurina props of 10cm to 13cm dia (Spaced at 75cm c/c) as noted below including removing the same after specified period without damaging RCC works in all floors etc., complete as directed by the departmental officers complying with relevant standard specifications PLANE SURFACE

Below G.L

8.30M-9.30 Above GL

Curved surface

SQUARE COLUMN

0 to 3.30m above and below G.L.

0 to 3.30m above G.L.

3.30 to 4.30m above G.L.

4.30 to 5.30m above G.L.

5.30 to 6.30m above G.L.

6.30 to 7.30m above G.L.

7.30 to 8.30m above G.L.

8.30 to 9.30m above G.L.

9.30 to 10.30m above G.L.

10.30 to11.30m above G.L.

11.30 to12.30m above G.L.

Fabricating and placing the steel grills for reinforcement for all reinforced cement concrete works such as plinth beam, lintels, beams, sunshade, roof and floor slabs etc., including cost of steel and fabricating the reinforcement grills in position etc., complete in all floors (The rate to include the cost of binding wire steel also)

Reinforced Cement concrete 1:1½:3 (One of cement, one and a half of sand and three of hard broken granite stones ) using 20mm gauge hard broken granite stones for all reinforced cement concrete works excluding the cost and fabrication of reinforcement grills in position, shuttering, centering but including laying, vibrating, curing, finishing and providing Mild steel fan hooks in the RCC slab wherever necessary as directed by the departmental officers etc., complete in all respects

For works in 1.5m to 4.5m below Ground Level

For works in 0m to 1.50m below Ground level

For works in 0m to 4.5m above Ground level

For works in 4.51m to 7.32m above Ground level

For works in 7.33m to 10.98m above Ground level

For items above10.98 m & up to 14.64 m from GL

For items above14.64 m & up to 18.30 m from GL

Painting the walls two coats with first class Cement paint over one coat of priming coat using white cement including cost and conveyance of all materials to site including all labour charges etc., complete

Fabrication, supply, delivery and fixing of outside MS ladder wide 45cm made out of 50×50×6mm MS angle for sides and steps in 16mm MS plain rods fixed at 30cm centre to centre welded, jointed etc., providing with suitable side supports, clamps, and locking arrangements provided with one coat of red oxide paint to for providing access to roof top of 60,000 lit.OHT of suitable inclined length, including bottom anchorage and transportation and as directed by departmental officers.

Providing and fixing of RCC inner access ladder in RCC 1:1½:3 (one cement, one and half sand and three aggregates) using 20mm HBG stone for OHT including cost of reinforcement, placing grill in position, centring, shuttering charges, mixing concrete curing etc., to required height and clear width of 45cm consisting of two Nos. of vertical post of 10cm×15cm and step slab of 25mm×25mm etc., complete and as directed by the departmental officers.

Supply, delivery and fixing in position of 0.60x0.60 m C.I manhole frame and cover heavy duty approved patten at the roof slab and as directed . the manhole frame and cover should of light etc., complete and as directed by the TWAD Board Officers.

Provision for pipe connection arrangements

80mm Ø GI pipes medium for inlet, Outet, Scour and Over flow

80mm Ø GI Tee

80mm Ø GI coupling

80mm Ø GI Elbow

75mmx 63mm PVC Reducer Fabricated

90x75 PVC Reducer Fabricated

80mm Ø GM Gate valve

80mm Ø Flange set

Plastering with cement mortar 1:3 mix to 10 mm thick including cost and conveyance of all materials to site and all labour charges etc complete

Plastering with cement mortar 1:4 mix to 20 mm thick including cost and conveyance of all materials to site and all labour charges etc complete

GST Amount for providing Service to Government Contract Works for the above Construction Works. { GST Amount is the Total GST Amount for total overall quoted amount above this row in column "BB" for all works in this package}

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