Construction of 30000 Ltrs OHT and Pipe line in Athimanam at Kallabiranpuram Panchayat Madurantakam Panchayat Union in Chengalpattu Distict

Amount

Construction of 30000 Ltrs OHT and Pipe line in Athimanam at Kallabiranpuram Panchayat Madurantakam Panchayat Union in Chengalpattu Distict . Estimate Amount : Rs.17.50 Lakhs

Earthwork excavation and depositing on bank with an initial lead of 10m and lift of 2m in the following classification of soils as directed by Departmental officers. Hard stiff clay, block cotton, hard red earth shales, murram, ordinary gravel, stoney earth in hard stiff clay, stiff black cotton soil, hard red earth, sales, murrams, gravel, stoney earth, earth mixed with small sized boulders and hard gravelly soil S.S.20B

First depth of 2m for Raft

Second depth of 1m

M.Sand filling for foundation with clear river sand including cost of sand watering, ramming and consolidation etc complete as directed by Departmental officers.

Cement concrete 1:4:8 (one cement four sand and eight aggregates) using 40mm HBGS for levelling course for foundation including the cost of mixing concrete, ramming, curing etc., complete as directed by Departmental officers.

RCC 1:1.5:3 mix using 20mm ISS HBG metal including cost and conveyance and all other labour charges etc complete.

Below G.L. 1.50m to 4.50m

For items 0 to 1.50m below GL

For items 0m to 4.5m height from GL

For items 4.50m to 7.32 m from GL

7.33 m & up to 10.98 m from GL

10.98m to 14.64m from GL

14.64m to 18.30m from GL

Supplying and erecting steel centering for sides and soffits I including necessary supports' and shuttering to the required height for RCC items using MS sheets of suitable size of BG.10 stiffeneq with welded MS angles of size 25mm x 25mm x3mm of boarding

PLANE SURFACES

Below GL

From GL to 3.30m

From 5.30m to 6.30m above GL

From 8.30m to 9.30m above GL

From 11.30m to 12.30m

Square column

Below GL and upto 3.30m above GL

3.31m to 4.30m ht

4.31m to 5.30m ht

5.31m to 6.30m ht

6.31m to 7.30m ht

7.31m to 8.30m ht

8.31m to 9.30m ht

9.31m to 10.30m ht

10.31m to 11.30m ht

11.31m to 12.30m ht

Curved Surface

Supplying, fabricating and placing in position of HSD steel rods for Reinforcement including the cost of steel and binding wire etc., complete and as directed by Departmental officers.

Painting two coats with approved cement paint over one coat of priming coat over cement plastered exposed surface of the Reservoir including cleaning, preparing the surface and curing etc., complete and as directed by Departmental officers

Fabrication, supply, delivery and fixing of outside MS Ladder of 45cm clear wide made out of 50 mm x 50mm x 6mm MS angle for both sides and for steps at 30cm C/C welded jointed etc ., for I staging from GL to 1st level brace (weight 4.5kg/m) IInd anapproved enamel paint over one coat of red oxide paint as per approved Type Design and as directed by departmental officers.

Providing and fixing RCC inner access ladder inRCC 1 : 11 / 2.\:3 (one cemnt, one and half sand and three agggregate) using 20 mm HGB 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 2 nos. of vertical post of 10 cm x 15 cm and step slab of 25 mm x 25 mm etc., complete and as directed by the departmental officers

Providing 110mm PVC vent cowl arrangements mosquito proof nylon net and as directed by departmental officers

Supply and fixing of cut stone of size 0.30m x 0.30m x 0.15m in CM 1;3(one cement and three sand) below inlet pipe for Service Reservoir as directed by departmental Officers.

Providing manhole cover of size 0.60 x 0.60M in RCC 1:1.5:3 with suitable reinforcement and 50x50x6mm MS angle fixed along edges and as directed by departmental officers

Provision for pipe connection arrangements for inlet outlet, scour and overflow etc., including cost of pipes, specials, valve, labour charge for lifting, aligning, cutting, threading, fixing and painting of GI pipes with two coats of approved quality enamel paint etc., complete as detailed below.

65mm GI pipes for inlet connection

65mm GI pipes for over flow & rain water harvesting pipe

50mm GI pipes for scour pipe

65mm GI pipe for delivery pipe

90mm PVC Threaded coupler

63mm PVC Threaded coupler

65mm dia GI Tee

65mm dia GI bend 90

65mm dia GI bend (short)

65mm GI coupler

65mm GI union

65mm GI Elbow

50mm GI union

50mm GI Elbow

65mm GI Tee

65x50mm GI reducer

75mmx63mm PVC reducer

65mm GM gate valve

50mm GM gate valve

63 mm PVC 4Ksc Pipe

Refilling the foundation with excavated earth including consolidation as directed by the departmental officers

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}

KRISHNAMOORTHY