Construction of 3 nos of 5.50m depth Machinehole and 120m of 200mm dia sewerline at pookara vilar main road in ward no 35 of Thanjavur City Municipal Corporation

Amount

Cutting of BT road for laying of sewerline including labour charges etc complete

Earthwork excavation in all kinds of soils such as hard stiff clay, stiff black cotton, hard red earth, shales, murum, gravel, stony earth and earth mixed with small size boulders and hard gravelly soil for laying sewer pipes (IS 3764: 1992) for the first depth of 2m below G.L. excluding refilling, disposal of surplus earth, and as directed by the Engineer in charge

0-2.00 m Depth

2.00-3.00 m Depth

3.00-4.00 m Depth

4.00-5.00 m Depth

5.00-6.00 m Depth

Barricading work (Where, there is less traffic areas and broader roads etc.) forlaying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safely for further use etc., complete and as directed by Engineer Incharge.

Providing granular bedding (Bf=1.1to 1.9) with graded hard broken stone of size 20 mm, 10mm,6mm being the ratio of 2: 1.5: 1. laying in layers of 15cm thick including cost of all materials and labour charges such as ramming, consolidation etc., complete for pipe bedding and as directed by the Engineer incharge.

Supply of 200 mm diameters of RCC-NP3 Class socket and spigot pipes with Rubber Gasket etc complete as per Standard Specification.

Lowering of 200 mm dia RCC -NP3 class pipes to site and stacking properly along the alignment lowering into the trenches etc complete as per standard Specification(Depth 4.00-6.00m)

Jointing of 200 mm dia RCC NP3 class pipes (confined joint) with rubber gasket etc complete as per standard Specification

Providing PCC 1: 1.5:3 concrete including cost of all materials and labour charges etc. complete for providing encasing around the pipe etc complete.

Conveyance of excavated earth from the narrow street to stock yard at nearest place (up to a lead of 5.00Km) including Head load charges from 10 meters to 100 meters and conveyance charges.

Re-Conveyance of earth from the stock yard to the narrow street for refilling the trenches after laying the pipe line (up to a lead of 5.00Km) including Head load charges from 10 meters to 100 meters and conveyance charge

Hire Charges for Deisel pump set above 7.50 HP with fuel and crew charges including transportation

construction of manholes of different depths as per type design/drawing on sewer lines and provided with tight fitting FRC manhole covers and frames of 600 mm dia., of approved make and provision of encapsulated PVC foot rests. The manhole shall be of brick work(with approved country killn burnt bricks of size 8 3/4" x 4 1/4 " x 2 1/4 " and using OPC Cement) .In CM 1:3 and plastered with CM 1:3 using Src cement , 20mm thick inside and 12mm thick outside as per type design. Benching and channeling should be provided in the manhole and suiltable diameter pipes for house service connection ( not exceeding 6 nos for each man hole) to be left in the manholes as directed by the engg incharge . The rate shall include earthwork backfilling and removal of surplus earth and depositing within 500 m. dewatering whereever necessary , barricading provision of danger lights and including all labour charges etc complete as per standard specification.5.00-5.50 m Depth

B SRINIVASAN (BID ID -1555466)