Maintenance work of swerage system affordable ,LIG and MIG houses in sector - 22D ,yea (one years). WC-02

Cleaning of chocked sewer line by diesel running vehicle mounting hydraulic operated high pressure suction cum jetting sewer cleaning machine fitted with pump having 4000 litres suction capacity and 6000 litres water jetting tank capacity including skilled operator, supervising engineer etc for cleaning and partial desilting of manholes and dechocking of sewer lines. Dechocking and flushing of sewer line from one manhole to another by high pressure jetting system of 2200 PSI for sewer line from 150mm dia upto 300mm dia for all depth. (DAR-2018/14.77/based on UPPWD/SOR-2020)

Earthwork in excavation by mechancal means (hdraulic excavater)/manual means in fundation trenches or drain (not exceeding 1.5m in width or 10 sqm in plan)including dressing of sides and ramming of atoms lift upto 1.5m incuding getting out the excavated soil and disposal of surplus excavated soil as directed within a lead of 50m. All kind of soil.

Providing and fixing in position pre-cast R.C.C. manhole cover and frame of required shape and approved quality Circular shape 560 mm internal dia EHD-35.DAR-18/19.19.4.1/SOR-20

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in charge. Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix). DAR-18/15.2.1/ Based on SOR

Providing and carting of following dia Rcc hume pipe s&s NP-2 class & specials in site of work lowering the same into trenches in depth upto alignment jointing with 1:2 cement mortar in coarse sand including excation of earth below invert level of pipe. (AR/YEIDA/Based on UPPWD/SOR 2020) 250mm Np2 pipe

Providing and laying in position cement concrete 1:4:8 (1 cement : 4 coarse sand : 8 graded stone aggregate 40mm nominal size) in concrete cradle under NP-2 pipe of following diameter including centring shuttering but excluding excavation. (AR/YEIDA/Based on UPPWD/SOR-2020) 250mm dia NP-2 concrete cradle

M-150 Brick work in 1:4 cement and coarse sand of 2.20 F.M. mortar in foundation and plinth including supply of all material labour and T&P etc required for proper completion of work UPPWD SOR 2020 350a

12 mm cement plaster of mix: 1:6 ( 1 cement : 6 coarse sand) SOR 13.4.2

Cement concrete with 2cm guage approved stone ballast, coarse sand and cement in the proportion of 4:2:1 including supply of all material, labour, tools & Plant etc required for proper completion of the work. SOR-20/Chap-5/279(a)/P-17-18

Laying and carting of above dia RCC hume pipe S & S NP3 Class & specials in site of work, lowering the same into trenches in depth upto alignment jointing with 1:2 cement mortar in coarse sand including excavation of earth below level of pipe 250mm dia NP-3 pipe SOR-20

Providing and laying in position cement concrete 1:4:8 (1cement: 4coarse sand: 8 graded stone aggregate 40mm nominal size) in concrete cradle under NP-3 pipe of following diameter including centring shuttering but excluding excavation as per approved 250mm dia NP-3 pipe

Constructing bricks masonary circular type manhole 1.22m internal dia at bottom and 0.56m dia at top with 150 class designation FPS bricks in cement mortar 1:4 (Icement: 4 coarse sand) inside and outside above ground level cement plaster 12mm thick with cement mortar 1:3(Icement: 3coarse sand) finished with a floating coat of neat cerment, foundation concrete 1:4:8(1cement :4coarse sand: 8 graded stone aggregate 40mm nominal size) and making necessary channel in cement concrete in 1:2:40 leement 2 coarse sand 4 graded stone aggregate 20mm nominal size) finished with a floating coat of neat cement all complete as per standard design.SOR-20/Chap-4/P-141.22m deep with SFRC cover and frame ( heavy duty HD 20 grade designation) 560mm internal dia meter conforming to IS 12592 Total weight of cover and frame not less than 182 kg fixed in cement concrete SOR-20/Chap-4/P-14

Extra depth for circular type manhole 1.22 m internal dia (at bottom) beyond 1.67 m: 150 class designation bricks of class designation 7.5 DAR-18/19.12.1.1/P-353

Constructing bricks masonary circular type manhole 1.52m internal dia at bottom and 0.56m dia at top with 150 class designation FPS bricks in cement mortar 1:4 (1cement: 4 coarse sand) inside and outside above ground level cement plaster 12mm thick with cement mortar 1:3(1cement: 3coarse sand) finished with a floating coat of neat cement, foundation concrete 1:4:8(1cement :4coarse sand: 8 graded stone aggregate 40mm nominal size) and making necessary channel in cement concrete in 1:2:4( Icement 2 coarse sand 4 graded stone aggregate 20mm nominal size) finished with a floating coat of neat cement all complete as per standard design.1.52m deep with SFRC cover and frame (heavy duty HD - 20 grade designation) 560mm internal dia meter conforming to IS 12592 Total weight of cover and frame not less than 182 kg fixed in cement concrete 1:2:4(1cement: 2coarse sand :4 graded stone aggregate 20mm nominal size) including centring shuttering, supply and fixing poly propelene foot rest & excluding excavation all complete.DAR-18/19-11.1.1/P-352

Extra depth for circular type manhole 1.52 m internal dia (at bottom) beyond 2.30 m:150 class designation FPS bricks of class designation 7.5 DAR-18/19.14.1.1/P-353

Laying and carting of above dia RCC hume pipe S & S NP3 Class & specials in site of work, lowering the same into trenches in depth upto alignment jointing with. 1:2 cement mortar in coarse sand including excavation of earth below level of pipe 150mm dia NP-2 pipe SOR-20Based

Cement concrete with 2cm guage approved stone ballast, coarse sand and eement in the proportion of: Mincluding supply of all material, labour, tools & Plant ete required for proper completion of the work. SOR-20/Chap-5/279(a)/P-17-18

Constructing masonry chamber 60x60x75cm. Inside with 150 class designation bricks work in cement mortar 1:4(1 cement:4 coarse sand) for sluice valve, with C.l. surface box 100mm top diameter, 160mm bottom diameter and 180mm deep (inside) with chained lid and RCC top slab 1:2:4 graded stone aggregate 20mm nominal size) necessary excavation foundation concrete 1:5:10(1 cement:5 fine sand: 10 graded stone aggregate 40 mm nominal size) and inside plastering with cement mortar 1:3 (Icement:3 coarse sand) 12 mm thick finished with a floating coat of neat cement complete as per standard design and Providing and fixing trap of self cleaning design with screwed down or hinged grating with or without vent arm complete, including cost of cutting and making food the walls and 100 mm outlet. (i) sand cast iron S&S as per IS:3989. DAR-8/18.33.1/SOR-20Based

Providing orange colour safety foot rest of minimum 6 mm thick plastic encapsulated as per IS: 10910, on 12 mm dia steel bar conforming to IS: 1786,having minimum cross section as 23 mmx25 mm and over all minimum length 263 mm and width as 165 mm with minimum 112 mm space between protruded legs having 2 mm tread on top surface by ribbing or chequering besides necessary and adequate anchoring projections on tail length on 138 mm as per standard drawing and suitable to with stand the bend test and chemical resistance test as per specifications and having manufacture's permanent identification mark to be visible even after fixing, including fixing in manholes with 30x20x15 cm cement concrete block 1:3:6 (1 cement: 3 coarse sand: 6 graded stone aggregate 20 mm nominal size) complete as per design. DAR-18/19.16/P-353

Cleaning jungle including up rooting of rank vegetation grass, push, wood trees and sampling of grith upto 30cms measured at a height of 1m above ground level and removal of rubbish up to a distance of 50M out side the periphery of area cleared. UPPWD SOR-202

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