Laying of Branch sewer line at Vaishnav Kunj, Rohila Lodge, Nainital and reconstruction work of damaged sewer line at different places in Nainital under NAINITAL SEWERAGE SCHEME

Amount

Excavation in soil mixed with boulders for depth upto 1.5 m. below ground level for Manholes and laying sewers in soil strata as given below including cutting of joints, trimming, drressing, levelling, refilling of trenches in 20 cm layers watering & ramming the same including removal & proper stacking of surplus earth dismantled materials upto a distance of 50m from the centre of trenches.

(a)0- 1.5 m below ground level

(b)1.50 to 3.00 m.BGL

Excavation in trenches in medium rock for following depths below ground level including dressing levelling,refilling of trenches in 20 cm. layers and disposal of surplus earth upto 50 m distance.

0- 1.5 m below ground level

1.50 to 3.00 m.BGL

Provide and fix closed timbering covering 1/3 of area as per departmental norms.

Up to 3.00 m B.G.L.

Providing, Lowering into trenches with true to alignment, Laying & Jointing of full lenghts of HDPE Pipes of specified grade as per IS:4984-1995 and specifications, with testing of pipe line including supply of jointing materials:- 0 to 1.50 m.BGL

HDPE PE 63 Grade. 6 kg/sqcm (i) 160 mm

D.I. K-7 pipe (i) 150 mm

Providing, Lowering into trenches with true to alignment, Laying & Jointing of full lenghts of HDPE Pipes of specified grade as per IS:4984-1995 and specifications, with testing of pipe line including supply of jointing materials:- 1.50 to 3.00 m.BGL

HDPE PE 63 Grade. 6 kg/sqcm (i) 160 mm

D.I. K-7 pipe (i) 150 mm

Provide all material, labour t&p etc and construct RCC circular Manhole chambers of following size as pere type design and specifications.

0.90 m dia 1.65 m deep RCC

1.20 mm dia 2.30 m deep RCC

Variation in depth of shaft to regulate the cost of manhole.

0.90 m dia 1.65 m deep RCC

1.20 mm dia 2.30 m deep RCC

Provide all material, labour t&p etc and construct sewer connecting chambers of following size as pere type design and specifications.

(a) 0.60x0.60m x 0.6m deep

Dismentling of following type of surfaces by manual/mechanical means including sorting out serviceable materials and disposal of unserviceable materialswithin 50 mtr lead or as directed by enginner in charge.

CC road

Bitumenious road

Brick work in cement Mortar

Provision for disposal of surplus earth from the site of work

Extra cartage of excavated earth from the site of work as per direction of Engineer in charge and carrying back by head load.(the 50% of excavated earth is assumed to be carried to and fro for safety purposes) Work will be carried out as per direction of Engineer Incharge.(Taking Av. distance 100 m)

Reinforced cement concrete different works upto floor five level excluding cost of centering, shuttering, finishing and reinforcement: 1:1.5:3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20 mm nominal size).

Reinforcement for R.C.C. work including straightening, cutting, bending, placing in post.

Cement concrete with 40 mm gauge stone ballast, local sand & cement in proportion of 8:4:1 including supply of all materials, labour, T&P etc. required for proper completion of work.

RR stone masonary in 1:6 cement sand mortar in foundation and plinth including supply of all materials,labour T&P etc. required for proper completion of the work.

Providing and laying in position cement concrete of 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size) grade - All work up to plinth level .

Supply of all material ,labour ,t&p etc and fixing of EHD manhole cover including raising of existing manhole level up to 30 cm all works comlete.

Dry stone pitching 22.5 cm thick including supply of stones and preparing surface complete.

Brick work with common burnt clay F.P.S. (non modular) bricks of class designation 7.5 in foundation and plinth in Cement mortar 1:4 (1 cement : 4 coarse sand).

12 mm cement plaster of mix 1:4 (1 cement: 4 coarse sand).

Provision for shifting of water supply mains and connections.15mm to 25 mm dia GI pipe line

Providing of all materials, labour, t&p etc.and construction of U type drain along sewer line.

M/s G S Mehra and Sons