CLEANING AND REPAIR TO SEWAGE DISPOSAL SYSTEM FENCING COMPOUND WALL RCC CULVERT FOOTPATH DRAIN AND MISC WORK AT ZONE A AREA AT SEVOKE MIL STN UNDER GE SEVOKE ROAD

Amount

Mobilization of necessary equipment and man power to fix benchmark and taking invert levels of manholes (approx 550 No), septic tank (apprx 10 No) and sokeage well (appx 10 No) at site including cleaning of existing manholes, septic tank and soakage well for taking invert levels and prepare of level sheet indicating location of pipe line, manholes, septic tank, sokeage well etc by total station and submitting the level sheet of 05 set to GE Sevoke Road of Zone 'A' area complete all as specified and directed

Mobilization of necessary equipment and man power to fix benchmark at site, taking bed level @ 3.00 m interval of existing drain (appx 2500 Rm), and prepare of level sheet indicating location and depth of existing drain by total station and submitting the level sheet of 05 set to GE Sevoke Road of Zone 'A' area including necessary cleaning for taking levels complete all as specified and directed

Cleaning of AC/CI pipes vertical or horizontal sewage line of any bore (from first floor to ground floor/ground floor to inspection chamber) by rodding thoroughly and removal of blockage by opening inspection chamber and flushing with water after cleaning complete as specified and as directed.(Cleaning of inspection chamber shall be measured and paid separately).

De-sludging, Cleaning and dewatering of sludge(liquid) from septic tank through pumping set or other mechanical means including cleaning of sludge/grass/bushes and disposing off sludge in the excavated pit as directed by Engineer-in-Charge including spreading bleaching powder and filling of pit by earth complete as specified and as directed by Engineer-in-Charge. Note :- (i) Earth to be filled over the pit shall be filled after sufficient absorption of liquid and size of pit shall be made accordingly. (ii) To avoid any health hazard or spreading of any foul gas, bleaching powder shall be spread as directed by the Engineer-in-charge. Cost of spreading bleaching powder and excavating the earth pit and filling of earth etc shall be deemed to be included in the rate quoted under this item but supply of bleaching powder shall be measured and paid separately.

De-sludging/cleaning completely of solid sludge by pumping and or manually from inside the septic tank and removal of sludge to a distance as directed by Engineer-in-Charge and depositing the sludge in a excavated pit of appropriate size as directed duly filled up with earth in layers of 30 cm thick including spreading bleaching powder and taking out RCC manhole cover slab for cleaning and resetting in CM 1:6 after cleaning complete as specified and as directed. Note :- (i) Earth to be filled over the pit shall be filled after sufficient absorption of liquid and size of pit shall be made accordingly. (ii) To avoid any health hazard or spreading of any foul gas, bleaching powder shall be spread as directed by the Engineer-in-charge. Cost of spreading bleaching powder and excavating the earth pit and filling of earth etc shall be deemed to be included in the rate quoted under this item but supply of bleaching powder shall be measured and paid separately.

Cleaning of sewage drain pipe of stone ware pipe, RCC Hume pipe , cast iron pipe of 75 mm bore by rodding with sectional sewer rod/flexible sewer rod/bucket etc thoroughly from inspection chamber to man hole or from one manhole to another manhole of any depth and size and well flushing with water after cleaning including removal of sludge and other materials obtained from cleaning the drain pipe and manhole garbage to a pit made for this purpose and filling up the earth complete as specified and as directed. Note :-(i) Cleaning of sewage line to be started from down stream side in this operation for which some pipe line gets cleaned automatically which needs to be cleaned by rodding only and hence the same shall not be measured (ii) The unit rate of the items shall be deemed to be included for the cost of removal of sludge/waste and water accumulated in manhole/inspection chamber due to cleaning of drain by rodding etc. (iii) The sludge obtained shall be deposited in an excavated pit and filled up with earth in layers of 30cm thick as directed by Engineer-in-Charge. Cost of spreading bleaching powder and excavating the earth pit and filling of earth etc. shall be included in the rate quoted under this item but supplying of bleaching powder shall be measured and paid separately. (iv) To avoid any health hazard or spreading of any foul gas bleaching powder shall be spread over each earth layers as directed by Engr-in-Charge.

All as per item No. 6.00 above but bore of pipe 100mm

All as per item No.6.00above but bore of pipe 150mm

All as per item No.6.00 above but bore of pipe 200mm

Cleaning of inspection chamber/gully trap including flushing with water or pumping air all as directed.

Cleaning of manhole any size and any depth complete including flushing water or pumping air complete as specified and as directed.

Excavation in trenches n.exc 1.5 m wide and n.exc 1.5m depth for pipes, manholes, etc not exceeding 10 sqm on plain and not exceeding 1.5 meter in depth and getting out in soft/loose soil complete as specified and as directed.

Demolition and breaking up drain pipes 200 mm (Salt glazed stone ware, AC or reinforced concrete) set in cement mortar and removing from site of work to a distance n.exc 100 meter complete as specified and as directed.

All as per above item no 13.00 but 150 mm bore pipes

All as per above item no 13.00 but 100 mm bore pipes

Demolition of cement concrete of any description and position not otherwise specifically provided for.

M&L for 75 mm thick PCC 1:3:6 type C-2 (using 40mm graded mechanically crushed stone aggregate) as in plinth protection/footpath, surface to be finished even and smooth without using extra cement laid in alternate bays and joint to be filled with bitumen filler complete all as spd.

M&L for PCC (1:3:6) type C2 (using 40mm graded crushed stone aggregate) as in bed for drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for 200 mm bore pipe complete as specified and as directed.

All as per above item no 18.00 but for 150 mm bore pipe.

All as per above item no 18.00 but for 100 mm bore pipe.

M&L for 200 mm nominal dia DWCPE pipe (SN-8) pipes ISI marked laid in trenches and joined complete all as specified and directed

All as per above item no 21.00 but 150 mm bore.

All as per above item no 2100 but 100 mm bore.

Demolition of brick work built in cement mortar including all quoins arches, pillars etc but excluding ashlars facings, dressed stone work & precast concrete articles complete as specified and as directed.

M&L for brick work with sub class 'B' bricks old size full brick, straight or curved on plan exceeding 6m mean radius built in CM (1:4) complete as specified and directed.

M & L for Brick work with sub class B bricks, straight or curved on plan to any radius in half brick thick walls built CM(1:4) complete all as specified and directed.

M&L for PCC 1:4:8 type, D-2 (using 40 mm graded crushed stone aggregate) as in foundation filling and mass concrete complete as specified and directed.

M&L for rendering 15 mm thick in cement mortar (1:6) on other than fair face of brick wall including mixing of W.P.C. and finished even and smooth without using extra cement complete as specified and directed. Note : WPC shall be measured seperately.

M&L for rendering 15 mm thick in cement mortar 1:6 on fair face of brick wall and finished even and smooth without using extra cement complete as specified and directed.

Removal of surplus soil to a distance not exceeding 60m and depositing where directed at a level n.exc 1.5m above the starting point complete as specified and as directed.

Returning, filling in foundation including spreading leveling, watering and well ramming in layers not exceeding 25 cm depth complete as specified and as directed.

Demolition of cement concrete (reinforced) as in cover slabs, culverts etc of any description and in any position not other wise specifically provided for complete as specified and as directed.

M&L for precast RCC 1:2:4, type B1 (using 20 mm graded crushed stone aggregate) as in cover slab and set in cm 1:6 including necessary form work and moulds complete as specified and as directed.

Supply only bleaching powder having chlorine contents minimum 30% ISI marked of approved quality complete as specified and directed.

M&L for Preparation of newly plastered wall surfaces and applying three coats of white washing all as specified and directed

Supply only WPC of ISI marked

Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittinges, heads, shoes, bends, swan-necks etc including cleaning or refixing or removal to store (measured overall as fixed along the centre line over fittings and accessories)

S&F 110 mm bore PVC (SWR) Soil, waste and vent pipes single socketed in any length with rubber ring joints fixed to walls complete all as specified & directed.

S&F 110 mm bore PVC (SWR) bends with/without door of any radius complete all as specified & directed.

S&F 110 mm bore PVC (SWR) branch piece single (Single `Y') equal or unequal with access door complete all as specified & directed.

S&F 110 mm bore PVC (SWR) Vent cowl complete all as specified & directed

S&F 75 mm bore PVC (SWR) Soil, waste and vent pipes single socketed in any length with rubber ring joints fixed to walls complete all as specified & directed.

S&F 75 mm bore PVC (SWR) bends of any radius complete all as specified & directed.

S&F 75 mm bore PVC (SWR) branch piece single (Single `Y') equal or unequal with access door complete all as specified & directed.

S&F 75 mm bore PVC (SWR) Vent Cowl complete all as specified & directed

S&F PVC floor trap with grating incl jointing to waste pipe of 75 mm dia in and including jointing with solvent cement complete all as specified and directed.

S&F in repairs vitreous china Squatting pan "ORISSA" patern of size 580x440mm white, with integral foot rests P or S trap (excluding flushing cistern & flush pipe) incl provisioning of lime concrete bedding complete all as specified.

S&F in repair vitreous as china EWC white with 'P' or 'S' trap front or back inlet any pattern excluding flushing cistern & flush pipe but including plastic water closet seat black closed pattern with Flat bottom and cover and hinging device complete all as specified.

Supply only PVC valve less syphonic action type flushing cistern 10 ltrs capacity low level white with inlet, ball valve, float and handle including brackets complete all as specified.

Dismantling floor, hearth or wall tilling including cement mortar bedding (but not backing) removing servicable tiles to store and rubbish off the premises.

M&L for non skid coloured ceramic tiles of 8 to 10 mm thick (square/rectangular) area exceeding 0.11sqm but not exceeding 0.18 sqm in floor etc set and jointed in neat cement slurry and pointed in coloured cement to match with the shade of tiles including 15 mm thick screed bed or beding layer of CM 1:6 for laying of floor finises complete all as specified and as directed

M&L for glazed coloured ceramic tiles of size 450x300x 7mm thickness in vertical surfaces set and jointed in neat cement slurry and pointed in coloured cement to match with the shade of tiles including 10 mm thick backing layer of CM 1:3 for fixing of tiles on wall complete all as specified and as directed.

S&F 75 mm bore PVC (SWR) junction double, (double T), equal or unequal with/without door of any radius complete all as specified & directed.

S&F 110 mm bore PVC (SWR) junction double, (double T), equal or unequal with/without door of any radius complete all as specified & directed.

S&F 75 mm bore PVC (SWR) junction single, (single T), equal or unequal with/without door of any radius complete all as specified & directed.

S&F 110 mm bore PVC (SWR) junction single, (single T), equal or unequal with/without door of any radius complete all as specified & directed.

Demolition of brick work (laid flate or on edge) or brick tiles laid bedded &pointed in any mortar in channel,kerbs etc complete all as specified

M&L for PCC 1:3:6 type C-2 (using 40 mm graded stone aggregate) as in surface channels and drains complete all as specified

M&L for brick work with old size sub class 'B' Bricks, laid flat, in drains bedded and jointed in cement mortar 1:6 and pointed in cement mortar 1:3 complete all as specified and directed..

All as per above item no.59 here in before but except brick.

M&L for brick work with old size sub class 'B' Bricks laid on edges in drains bedded and jointed in cement mortar 1:6 and pointed in cement mortar 1:3 complete all as specified and directed.

All as per above item no. 61 here in before but except brick.

M&L for PCC 1:2:4 type B-0 with (using 12.5mm graded aggregate) as in benching, coping fillets etc including necessary form work where ever required complete all as specified and as directed.

M&L for extra for formating fair finished drain or channel 30cm inner girth in cement concrete using extra cement including forms, moulds, mitred stop ends.

M&L for PCC 1:4:8 type D-2 (using 40mm graded mechanically crushed stone aggregate) as sub base of flooring 75mm thick all as specified.

M&L chequred cement concrete tiles 30cmx30cmx25mm thick with grey cement and pigment set jointed and pointed in neat cement slurry in floors over and including 20 mm thick cement mortar screed bed in CM 1:6 complete all as specified and directed.

Demolition of cement concrete in ground floors and paving n.exc 15 cm thick (below or above ground level) unreinforced complete all as specified and directed

Demolition of cement concrete over ground floors and paving exc. 15 cm thick unreinforced copmlete all as specified and directed

M&L hardcore of broken stone or boulders of gauge not exceeding 63 mm deposited, spread and levelled in layers not exceeding 15cm thick, watered and rammed to a true surface complete all as specified and directed.

M&L for PCC 1:3:6 type C-2 (using 40mm graded mechanically crushed stone aggregate) 50 mm thick as in harsdstanding/footpath, surface to be finished even and fair including laid in alternate bays and joint to be filled with bitumen filler complete all as spd.

M&L Machine pressed precast concrete interlocking paver block with grey cement and pigment of any shape and size conforming to IS-15658-2006 of 60mm thick, M-35 Grade complete all as specified and directed

M&L for Sand cushioning under floors or interlocking paver block including watering and consolidation complete all as specified

Dismantling post or struts (wood or RCC) any section including taking out embeded portion and making good disturbed portion, posts embeded in natural ground complete all as specified and directed.

Dismantling struts (wood or RCC)any section including taking out embeded portion and making good distrubed portion, posts embedded in concrete all as specified.

Taking down old fencing barbed wire complete all as specified

Excavation in post hole each n.exc. 0.5 cum and getting out in soft/loose soil incl returning, filling in and ramming earth or broken rubble mixed with earth around in layers n.exc 25cm watering removing surplus soil to a distance n.exc 50m and making good surfaces complete all as directed.

M&L cement concrete 1:3:6 type C2(using 40mm graded stone agg) as in foundation filling and mass concrete all as specified.

S & F for mild steel angles or tee sections, fixed independently , without connecting plates etc as in splited end fencing post Fe 410-W (Gde-E-250) quality A including drilling holes complete all as specified.

S&F mild steel screw bolts (Machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends each screwed end to be filled with washers and one hexagonal or square nut 5 to 10mm dia shank and exc 5cm but n exc 10cm long all as specified and as directed.

Supply only chain link fencing with 4mm dia galvanised steel wire ,size of mesh 100mmx100mm complete all as specified.

Fixing only chain link fencing including line wires , any mesh, size and type to any type of standard, rails , straining bolts, etc including provision of binding wire complete all as specified

S&F mild steel flat iron (conforming to Fe -410- 0 or Fe-310-0) for securing fencing post including drilling holes, for screwing bolts etc complete all as specified.

M&L for preparetion of new steel and iron surfaces of any description any in width or girth not otherwise described and applying two coats of synthetic enamel paint over priming coat of red oxide primer complete all as specified and as directed.

M&L for galvanised 2 strand, steel barbed wire 2.24 mm dia barbed with 2 mm dia barbs at 75 mm spacing and straining and fixing to any type of standard rails straining bolts, including securing or tying at crossing with and provision of galvanished MS wire, staples or steel pins etc (Each line wire to be measured separately.)

S&F 10mm dia and over mild steel TMT bar cut to length bent to shape required including cranking, bending and binding with M.S wire (annealed) not less than 0.9 mm dia or securing with clips or weding all as specified and as directed.

M&L for mild steel TMT bars 5mm dia and over upto and incl 10mm dia in stirrups, spacers and binders cut to length, bent to shape required including cranking bending spirally for hoping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9 mm dia or securing with clips complete.

S&F mild steel bars 6mm to 8 mm dia and over, cut to length,bent to shape required, including cranking, bending spirally for hooping for column, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9 mm dia or securing with clips complete all as specified and directed

S&F mild steel 10mm dia round bar cut to length bent to shape required including cranking, bending and binding with M.S wire (annealed) not less than 0.9 mm dia or securing with clips or weding all as specified and as directed.

M&L for Providing reinforced cement concrete type B-1, 1:2:4 (20 mm graded aggregate) in precast posts, fencing posts, straining or terminal posts, struts etc. for fencing, average sectional area n exc 100 sq. cm, with or without chamfered angles and flat, splayed, rounded or mitred tops as directed and fixed

M&L for Providing reinforced cement concrete type B-1, 1:2:4 (20 mm graded aggregate) in precast posts, fencing posts, straining or terminal posts, struts etc. for fencing, average sectional area exc 100 sq. cm and n.exc 250 Sq cm with or without chamfered angles and flat, splayed, rounded or mitred tops as directed and fixed

M&L for Providing reinforced cement concrete type B-1, 1:2:4 (20 mm graded aggregate) as in slabs supported on wall , beams and column and similar works complete all as specified and directed

Formwork to soffits of suspended slabs such as roof slabs, floor slabs, landings and similar work; not exceeding 200mm thick (Horizontal or sloping) all as specified.

S&F in repairs Steel rolling shutters, with out ball bearing, as specified including top cover, anchoring rod, hasp and taple and one shop coat of primer; erected in position as indicated, incl Safety lever locks mild steel with 4 levers for rolling shutters complete: push pull or manual type complete all as specified and as directed

M&L for sunken floor treatment by roughening of sides and bottom of sunken floor by picking,sweeping clean and washing down with water to remove dust etc. and 10mm thick rendering in CM(1:4) on concrete surface (bottom sides of sunken floor) finished fair and even mixed with liquid water proofing compound 'conplast X 421 IC' mfd by M/S FOSROC chemicals (india) pvt ltd,priming coat of "Nitro proof 100" and after drying of primer applied one coat of 'Nitro proof 120' mfd by M/S FOSROC complete all as specified and directed.

Surface dressing not exc 15 cm deep and getting out complete all as specified and directed.

MARWA CONSTRUCTION

SRI SURAJIT SENGUPTA

M S ALOK SAHA

D.D. BROTHERS

M/S STANDARD CONSTRUCTION CO

ASSOCIATED TRADING CORPORATION

SHRI JAYANTA GHOSH

BIJAN KUMAR DHAR