CLEANING AND MAINTENANCE OF SEWAGE LINE SEPTIC TANK INCL REPLACEMENT OF SEWAGE LINE TO CERTAIN STRETCHES AND REPAIRS TO SEWAGE INSTALLATIONS AND CERTAIN MISC WORKS AT DAKSHINESWAR 46 BT ROAD AND ECSD UNDER GE NORTH KOLKATA

Amount

De-sludging and cleaning of septic tanks, manholes, sludge chambers, etc. with inside depth exceeding 1.5 m, by manual digging out and lifting of concentrated sludge including de-watering and cleaning, removing silt, sludge, sludge water and any other foreign materials and depositing the same into excavated pits (exceeding 1.50 m depth) at places not exc. 100m as directed by the Engr-in-Charge; Returning and filling in excavated earth after depositing sludge including sludge water and sprinkling bleaching powder over surrounding area and removing surplus excavated soil to a distance not exceeding 50m; complete all as specified and as directed. (Measurement shall be made for sludge incl. the sludge water.)

.De-sludging and cleaning of septic tanks, manholes, sludge chambers, etc. with inside depth upto 1.5 m, by digging out and lifting of concentrated sludge including de-watering and cleaning, removing silt, sludge, sludge water and any other foreign materials and depositing the same into excavated pits (exceeding 1.50 m depth) at places not exc. 100m as directed by the Engr-in-Charge; Returning and filling in excavated earth after depositing sludge including sludge water and sprinkling bleaching powder over surrounding area and removing surplus excavated soil to a distance not exceeding 50m complete all as specified and as directed.

Cleaning of blockage / chocked sewer lines, connecting from Nahani trap to GT, IWC/ EWC to First manhole, of any description / size by rodding with a green bamboo stick or cane stick and, cleaning the traps flushing with water; including removing of rubbish/sludge to a distance exceeding 250 m not exceeding 500 m and refixing of Nahani trap / floor trap included CP/ stainless steel/ PVC grating in position all as specified and directed.complete all as specified and as directed.

Cleaning the blockage / chocked sewer lines of various sizes, in between the manholes, by opening the man hole, removing the exisiting sludge, rodding with a green bamboo stick or cane stick,or any other useful means and placing the existing manhole covers r in original position including removing the rubbish/sludge to a distance exceeding 250m not exceeding 500m complete all as specified and directed for 100 mm dia / bore..

All as per item No. 4 above but for 150 mm dia / bore

Demolition of cement concrete of any description and in any position not otherwise specifically provided for, complete all as specified and directed.

Demolition of cement concrete above ground floors of thickness exceeding 150 mm

Excavating trenches, not exceeding 1.5 m wide or not exceeding 10 sq m on plan and not exceeding 1.5 m in depth for foundation of manhole etc and getting out as in Soft/loose soil complete all as specified & directed.

Returning filling including spearding levelling watering and well ramming in layer n. exc. 25 cm in soft/loose soil copmplete all as specified & directed.

Removing excavated soil n.exc 100 mtr and deposited where directed at a level n.exc 1.5 m above the starting point complete all as specified .

Demolition and breaking up of existing unserviceable SWG pipe set in cement mortar including concrete bed 100 mm complete all as specified and as directed .

Demolition and breaking up of existing unserviceable SWG pipe set in cement mortar including concrete bed 150 mm complete all as specified and as directed .

Material and labour for PCC (1:3:6 ) type C-2 using 40 mm graded stone aggregate as in concrete bed to drain pipe including packing under, and haunching against the sides of pipe after they are laid and tested complete all as specified & directed following 150 mm dia of pipes .

Material and labour for PCC (1:3:6 ) type C-2 using 40 mm graded stone aggregate as in concrete bed to drain pipe including packing under, and haunching against the sides of pipe after they are laid and tested complete all as specified & directed following 100 mm dia of pipes .

Material and labour for salt glazed stoneware drain pipe 150mm bore shall comply with the requirement of IS 651-2007 , class SP-1, laid in trenches and jointed in cement mortar (1:1) and tested in repair complete all as specified and directed.

Material and labour for salt glazed stoneware drain pipe 100 mm bore shall comply with the requirement of IS 651-2007 , class SP-1,laid in trenches and jointed in cement mortar (1:1) and tested in repair complete all as specified and directed.

Material and Labour for precast RCC ( 1: 2:4 ) Type B-1 ( using 20 mm graded stone aggregate ) as in manhole/drain cover and set in position with cement mortar ( 1:4 ) including demolition of existing unserviceable RCC cover slab complete all as specified and as directed .

Material and labour for mild steel TMT bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending lapping etc as required and welding with existing bar complete all as specified and as directed Make:- Rinl / Sail / Tisco/JAI Balaji industries ltd / Shyam Steel industries Ltd. / SPS stell rolling mills ltd / SRMB Srijan Pvt Ltd / Electrosteel steels ltd / Shyam metallics and energy ltd / Jindal.

Material and labour for mild steel TMT bars 6 to 8mm bar, cut to length, bent to shape required, including cranking, bending, lapping etc as required and welding with existing bar complete all as specified and as directed. Make:- Rinl / Sail / Tisco/JAI Balaji industries ltd / Shyam Steel industries Ltd. / SPS stell rolling mills ltd / SRMB Srijan Pvt Ltd / Electrosteel steels ltd / Shyam metallics and energy ltd / Jindal.

Materials and labour for 75mm thick PCC (1:3:6) type C2 (using 40 mm graded stone aggregate) as in pavement/plinth protection , laid in bays and joints shall be filled up with bituminous gola with 80/25 bitumen ( 1 part of bitumen to be mixed with 3 part of sand and finished the surface fair and even complete all as specified & directed. Make of Bitumene:- STP / TikiTar / Choksy Chemicals.

Demolition of cement concrete (reinforced) in ground floors and pavings nexc 15 cm thick (below or above ground level) complete all as specified and directed

Dismantling Asbestos cement / Transluscent ( Corrugated , semicorrugated etc.) sheets as in Roof covering , wall , ridge , hips valleys and flashings etc for the building structures not exceeding 10 m height from the average ground level complete all as specified and as directed .

Supply and fix of pre-painting galvalume sheets having pitch 190mm, depth 29mm and not less than 0.50mm thickness having tensile strength of 550 Mpa (Galvalume base-PPGL trapezoidal profile sheets) fixed with aluminium self tapping screws of size 50/75mm and aluminium washer of suitable size in roof covering complete all as specified and as directed. Make:- M/STata Bluescope steel ltd. (colorbond steel) or equivalent in M/S JSW Steel Ltd / M/S Ispat Industries Ltd./ M/S Bhusan Power & Steel Ltd. ) /Sshiv shakti Fibre Udyog (Roofitt) / M/S Prestar Infrastructures projects LTD./ Jindal.

Supply and fix in repair vitreous China squatting pan, ‘Orissa’ pattern, size 580 x 440 mm white, with integral foot rests including 'P'or 'S' trap (excluding flushing cistern and flush pipe) including provision of lime concrete bedding complete all as specified and as directed.

Supply and fix in repair Wash hand basin , white , flat back of size 550 x 400 mm including brackets, fittings required, and connection etc complete, all as specified and as directed . Make for item Nos. 24 & 25:- Neycer Kermag(standard) / Hindusthan Sanitary Ware (1st quality) / Parryware (superfine) / Cera (1st quality) / classica 1st /Standard) / Johnson Pedder. / Prayag

Supply and fix in repair 10 litre capacity PVC valve less, symphonic action type, flushing cistern, low level, white, with inlet, ball valve, float and handle including brackets and flush pipe of polyethylene of low or high density or PVC 32 mm dia, for low level cistern including PVC connections 15mm size with brass nuts and washer both side of length 450mm complete all as specified and as directed. Make:-M/S Johnson Padder / Hindustan sanitary ware / Millennium / Cera / Blue Star Polymers (Speed Flow) / Commander (Water Bird) / Hindware(Sleek) / Parryware(Slimline) / Prayag

Supply and fix in repair 110 mm bore UPVC (SWR) pipe single socketed in any length with rubber ring joints fixed to walls complete all as specified .

Supply and fix 110 mm bore PVC (SWR) junction single 'T' equal or unequal complete all as specified and as directed .

Supply and fix 110 mm bore PVC (SWR) bend , any radius complete all as specified . Make for item Nos. 27 to 29:- Prayag /Polytuf / Supreme / Prince / Reliance / Jain pipes / Finolex. / Kisan / M/S Fusion Industries LTd

Taking out old unserviceable floor, hearth or wall tiling including cement mortar bedding (but not backing and rubbish off the premises complete all as specified and as directed

Material and labour for Non-skid ceramic coloured tiles of 7 to 8 mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm, as in floors etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour of tiles over and including 15mm thick screed bed or bedding layer in CM(1:6) complete all as specified and as directed.

Material and labour for glazed ceramic colour tiles , area of each tile not less than 0.16 Sqm,x 7 mm in skirting/dados etc set and jointed in neat cement slurry and pointed in white or coloured cement to match the colour tiles over and including 10mm thick rendering in CM(1:4) complete all as specified and as directed. Make for item Nos. 31 & 32:- Kajaria / Asian Granito / Somany / Vamora Granito / Nitco / Orient,

Supply and fix in repair Vitreous china wash down water closet pan ( pedestal pattern ) , white with necessary seat cover including connection to drain ( or out going pipe ) and to flushing pipe , antisyphonage pipe complete all as specified . Make:- Neycer Kermag(standard) / Hindusthan Sanitary Ware (1st quality) / Parryware (superfine) / Cera (1st quality) / classica 1st /Standard) / Johnson Pedder. / Prayag

Supply and fix in repairs 32mm waste coupling of PTMT ( Half or Full threaded ) min wt 32 mm -45 gms complete all as specified and as directed.

Supply and fix in repairs PVC Plain waste pipe of size 32mm dia and 1150mm long complete all as specified and as directed.

Supply and fix in repair grating doom 125mm dia of PTMT (Minimum wt 25 Gms) complete all as specified and as directed. Make for item Nos. 34 to 36:- M/S Prayag / Polytuf / M/S Sak Plast Pvt Ltd./ Shakti Entp.

Taking up or down 15 mm bore steel water tubing and connections including cleaning for refixing or removal from site complete all as specified .

Ditto as Item No-37 above but of 20 mm bore .

Supply and fix 15 mm bore GI tube , medium grade with all fittings fixed complete to walls and ceilings or laid in floors complete all as specified . Make:- Prakash / Utkarsh Tubes Ltd / Jindal / Zenith / Bansal / Nezone / M/S BST Infratech Ltd.

All as per item No-39 above but 20 mm bore .

All as per item No-39 here in before but fixing only ( serviceable pipe obtained from item No-37 shall be reused )

All as per item No-40 here in before but fixing only ( serviceable pipe obtained from item No-38 shall be reused )

Supply and fix in repair PVC connection 15mm size with PTMT nuts of length 450 mm complete all as specified and as directed.

Supply and fix in repairs 15 mm bore PTMT Bib Tap any colour screwed for iron pipe ( Min weight 15 mm -90 gms )complete all as specified and as directed .

Supply and fix in repairs 15 mm bore stop cock PTMT any colour , high pressure screwed for iron pipe and fixed ( Min weight 15 mm - 90gms ) complete all as specified and as directed . Make for item Nos.43 to 45:- M/S Prayag / Polytuf / M/S Sak Plast Pvt Ltd./ Shakti Entp.

Supply and fix in repair Vitreous china Urinal bowl type flat back , size 465 X 355 X 265mm white with grating and union for discharge pipe including providing and fixing plugs , bedding urinal against wall in CM 1:2 , securing urinal to plugs with and including 60 mm long brass screws , pointing around urinal back in cement complete all as specified and as directed . Make:- Neycer Kermag(standard) / Hindusthan Sanitary Ware (1st quality) / Parryware (superfine) / Cera (1st quality) / classica 1st /Standard) / Johnson Pedder. / Prayag

Dismantling of old GI barbed wire fencing of any description from RCC fencing post complete all as specified & directed. (Note. Each line of wire to be measured separately)

Supply,fixing Galvanized, 2 strand steel barbed wire 2.24 mm dia barbed with 2 mm dia barbs at 75 mm spacings, conforming to IS, and straining and fixing to any type or standard rails. Straining bolts. Including, securing or tying at crossings with and provn of galvanized mild steel wire staples or steel pins etc complte all as specified and directed (Note : Each line of wire to be measured seperately)

All as per Item No. 48 above but fixing only. (Seaviceable barbed wire obtained from item No.70 above shall be reused).

Dismantling wrought iron or mild steel, structural steel work of any description not otherwise provided for complete all as speciified and as directed .

Supply and fix rolled mild steel Fe-410 (Grade E-250A) angle or tee section as in post, cut to length and bend to shape as directed, fixed independetly without connecting plate etc, including provision of 05 to 06 Nos gaps/cuts/holes in each post for providing/laying barbed wire and one coat of red oxide zinc chrome primer after preparation of new steel surfaces complete all as specified and as directed. (Note :- Supply and fix barbed wire shall be measured and paid separately)

Supply & fixing Framed work such as grills, gratings etc with end bars shouldered and/or riveted or forged into spikes, framed guard bars barred iron doors, ladders, framed balusters, walk ways, railings frame work of water tanks and similar work conforming to Fe-290 Gde-E-165. Make for item Nos. 51 & 52:- Rinl / Sail / Tisco/JAI Balaji industries ltd / Shyam Steel industries Ltd. / SPS stell rolling mills ltd / SRMB Srijan Pvt Ltd / Electrosteel steels ltd / Shyam metallics and energy ltd / Jindal

M/L for 75 mm thick cement concrete type C2 (1:3:6) using 40mm graded aggregate as in sub base of floor complete all as specified and directed.

M&L Chequered cement concrete tiles 30cm x 30cm x 25mm thick, over 20 mm thick screed bed or bedding layer of mortar in CM (1:6) for laying floor finishes set, jointed with grey cement and pigment and pointed in neat cement slurry in floorscomplete all as specified and directed. Make:- Ultra tile / Anjali tiles / Nitco / Mehatab / Terra firma / Ecco scope./ M/S Stylish Precast Pvt ltd.

Taking down cement plaster on brick or stone wals, etc. including raking out joints, hacking for keys, scrubbing down with water, etc.complete all as specified and as directed.

Material and labour for rendering 15mm thick in cement mortar (1:6) on fair faces of brickwork or concrete surfaces, finished the surface even and smooth without using extra cement complete all as specified and directed.

Material and Labour for 20 mm thick rendering with CM 1:4 in two layer , 10 mm thick in each layer and mixed with integral water proofing liquid admixture on top layer of external surfaces of brick work or concrete surfaces including finish the surface even and fair complete all as specified and as directed ( Water proofing liquid admixture shall be measured and paid seperately )

Supply only integral water proofing liquid admixture for concrete / mortar (Make: CONPLAST X421IC of Fosroc/ PLASTOCRETE PLUS OF SIKA/equivalent brand of PIDILITE)

Material and labour for preparation of new plastered surfaces of wall and applying two coats of cement base paint, fist quality, over a coat of alkali resistant primer complete all as specified & directed. Make:- Asian / Berger / Jenson & Nicholson / Shalimar.

Supply and fix in repair swivel shower of PTMT any colour for fixing with 15 mm pipe ( Min weight 40 gms ) complete all as specified. Make:- M/S Prayag / Polytuf / M/S Sak Plast Pvt Ltd./ Shakti Entp.

Material and labour for applying three coats of white wash on new plastered surface of wall including preperation of newly plastered surface complete all as specified and as directed . Make for Lime:- Suryacem / Lovelycem / Birla white.

Material and labour for applying two coats of synthetic enamel paint, first quality, on new steel surface exceeding 10 cm width or girth over a coat of red oxide primer including preperation all complete as specified and as directed . Make:- Asian / Berger / Jenson & Nicholson / Shalimar.

Material and labour for PCC 1:3:6 Type C-1 ( using 20 mm graded stone aggregate ) as in surface channel complete all as specified and as directed .

Extra for forming fair finished drain or channel 30 cm inner girth in cement concrete , using extra cement complete all as specified and as directed .

Add or deduct for each 25 mm girth or part thereof over or under 30 cm complete all as specified and as directed .

Demolition of Brickwork or stone/boulder masonry, built in cement mortar including remouving the same after Dismatle Complete all as specified and directed.

Material and labour for brick work with bricks class designation 75, old size, straight or curved on plan exc 6m mean radius built in cement mortar (1:6) complete all as specified and as directed.

Material and labour for brick work with bricks class designation 75, old size, straight or curved on plan to any radius in half brick thick walls built in cement mortar (1:4) complete all as specified and as directed

Material and Labour PCC 1:3:6 Type C1(using 20 mm graded stone aggregate) as in bed block for fixing holdfast , coping , kerbs, rounded or chamfered on edge including necessary form work complete all as specified and as directed .

Cutting holes in brick wall built in cement mortar for inserting hold fast for depth of embedded portion exc one brick and n.exc two brick and making good dismantled portion in cement mortar 1:3 or cement concrete 1:2:4 type B-1 complete all as specified and as directed .

Material and labour for rendering 15 mm thk. on fair faces of brick wall or concrete surface (for internal surface of Septic tank / manholes ) in cement mortar 1:3 mixed with intgral water proofing compound as per manufacture instruction and finished even and smooth without using extra cement complete all as specified & directed.

Cleaning of existing drains width not ecx .60 m wide and upto 1.00 depth, including removing existing slab covers, removing the silt completely, and removing the debris to a distance not exc 50 mts, replacing the cover duly setting in CM 1:6, etc complete.

All as per item No. 72 above but drain without cover.

Chipping of existing plaster, area not exc 1.00 Sqm, removing the weeds / shrubs, treating the surface with application of acid, plastering the surface in CM 1:4, 20 mm thick and finishing the surface to match the existing, including necessary scaffolding, / support for working, etc complete.

M&L Rotational moulded polythelene water storage tank of 500Ltr capacity (cylindrical vertical with closed ) hoisted and fixed in position all specified and directed. Make:- Rotex / sintex, Polywel / SPL / Polycon / Diplast / Nilkand / Oriplast / Jindal Jaipur

Dismantling water storage tank exc.250 and n.exc 500 ltr capcity and all specified.

MOTHER LUMIER INDUSTRIES

M/S SHEKHAR TRADING CORPORATION

RAJ TRANCON

SETH GHANSHYAM DAS LAKHMAMI AND CO

MAZUMDER & CO

MASTER BUILDERS