Military College Of Telecommunication Engineering-MCTE has published Repair / Maint Of Certain Mes Water Supply Installation At Various Places , Replacement Of Water Distribution Pipe Line And Allied Work At Age Charduar Area Under Ge ( North ) Tezpur. Submission Date for this Tender is 20-07-2022. Pipe Laying Tenders in tezpur Assam. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 03-Jul-2022 | Corrigendum BOQ | BOQ | 11-07-2022 |
| 2 | 08-Jul-2022 | Ext of bid sumbission end dt | Date | 20-07-2022 |
| Sl. No. | Item Description |
| 1 | Note 1: (Applicable for all parts/items) : The bidders/contractors are advised to read tender document, all drawings & all corrigendum/amendments and general condition of contracts before entry/quoting the rates. Note 2:- Attention to bidder is hereby invited to upload revised BOQ if published during their bid submission. Uploading ofincorrect/ pre-revised BOQ shall be treated as non bonafide and rejected. Fixed credit has been given in technical documents which shall be taken into account during acceptance of bid/tender. |
| 2 | Demolition of cement concrete (un-reinforced) in ground floors and paving not exceeding 15cm thick above or below ground level all as directed. |
| 3 | Demolition of PCC (reinforced) in ground floors & pavings n exc 15 cm thickness (below or above ground level) complete all as specified and directed. |
| 4 | Demolition of brick work or stone masonary built in cement mortarcomplete all as specified and directed. |
| 5 | M & L brick workwith sub class "B" bricks straight or curved on plan exc 6 m mean radius built in cm (1:6) complete all as specified and directed. |
| 6 | M&L RCC type B1 (1:2:4) using 20 mm graded stone aggregate in Slabs supported on walls, beams and columns in floors, roofs, landings, blaconies, canopies, deck slabs and in shelves and the like complete all as specified and directed. |
| 7 | Taking down cement plaster, of any description on brick or stone walls, ceiling etc including racking out joints, hacking for key, scrubbing down with water all as directed.. |
| 8 | Dismantling floor, hearth or wall tiling including cement mortar bedding (but not backing) removing serviceable tiles to stores and rubbish off the premises. all as directed. |
| 9 | Taking up or down GI water tubing 15 mm bore from trenches/wall,ceiling or floors including all fittings, segregated and stacking the pipe complete all as directed. |
| 10 | Roughening surfaces of path , roof , sweeping , cleaning and washing down with water to remove dust etc including bushing neat cement slurry with 3 kg of cement per sqm complete all as specified & as directed. |
| 11 | M&L for 15mm thick external plastering in cm (1:4)on fair faces of brick work or concrete surface including finishing the surfaces fair and even withoutusing extra cement mixed with integral water proofing compound (WPC) @ 3% weight of cement or as per manufacturer"s instruction complete all as specified & as directed. Note: Water proofing compound will be measured and paid separately under relevant item. |
| 12 | M&L for priming roof surfaces with bituminous primer @ 0.40 Ltr / sqm and applying one coat of hot bitumen of grade 85/25 @ 1.2 kg /sqm and laying polymeric membrane 5 layered of weight not less then 3 Kg/sqm and bonded completely to the surface with the overlap of 10 cm ( overlap to be thermo fused by flame ) and applying one coat of aluminium paint over the APP modified membrane @ 0.11 kg/sqm after preparaion surface complete all as specified and directed |
| 13 | Taking up or down GI water tubing 20 mm bore from trenches/wall,ceiling or floors including all fittings, segregated and stacking the pipe complete all as directed. |
| 14 | Cutting chases, pinning in, making good to facings where required and pointing in cement mortar (1:3) to ends or edges of landings, steps, cills, sunsheds, shelves, lintel etc and cutting chases for concealed water tubing or concealed conduit wiring etc |
| 15 | Material and labour non skid ceramic colour tiles, 7 to 8 mm thick, area of each tiles exc 0.06sqmbut not exc 0.11 sqm squre/rectangular as in floor etc set and jointed in neat cement slurryand pointed in cement mixed with colour pigment to match the existing surface laid over &including screed bed or bedding layer of mortar 15mm thick for laying floor finishes in CM 1:6, complete all as specified and directed. |
| 16 | Material and labour glazed ceramictiles of size 300mm x 200 mm x7 mm thick coloured tiles on vertical surfaces set and jointed in neat cement slurry and pointed in white or coloured cement to match the existing surface laid over & including 10mm thick rendering in cm 1:4 complete all as specified and directed. |
| 17 | M&L coloured,glazed ceramic tiles as in floor 600x600x 7-8 mm thick. set and jointed in neat cement slurry and pointed in white or colour cement to match ilaid over & including screed bed or bedding layer of mortar 15mm thick for laying floor finishes, complete all as specified and directed. |
| 18 | -ditto - all as above but as in skirting/dado but laid over 10 mm thick renderingCM 1:4, on fair faces of brickwork surfaces to receive wall finishes. |
| 19 | S&F granite of any type of slab 20 mm thick machine cut, bedded and jointed with greycement slurry and pointed with white cement with admixture of pigment to match the shade of granite stone laid over &including 20 mm thick screed bed of cement mortar 1:6.complete. |
| 20 | M&L forMachine cut kota stone slab flooring 20-25mm thick over cement screed base laid over and including 20mm thick screed bed in cm 1:6 and jointed with grey cement slurry mixed with pigment to match the shade of the slab including rubbing and polishing complete |
| 21 | -ditto - but as in skirting/dado but over 10 mm thick rendering in CM 1:4 |
| 22 | Material and labour for 15 mm thick rendering in cement mortar (1:6) on fair face of brick or concrete surface finished even and fair all as specified. |
| 23 | M & L for 5 mm thick rendering in cement mortar 1:3 as on Ceiling or concrete surfaces complete all as specified and as directed. |
| 24 | Material &labour for 5 mmthick rendering in cement mortar (1:4) overmixed with integral water proofing liquid by weight of cement as per manufacturer instruction 10 mm thick backing coat in cement mortar (1:6) on fair faces of brick or concrete surface (wpc measured and paid by seprate) |
| 25 | Supply only integral waterproofing compound complete all as specified and directed. |
| 26 | Dismantling framed timber scantlings 40 sq. cm & over in section, in any position complete all as specified and directed. |
| 27 | M&L for 2 nd class hard wood scantling wrought finishedin any position over and 40 sq. cm & over in section,complete all as specified and directed. |
| 28 | Dismantling ceiling boards (Fibre/Pulp/Plywood) any thickness including cover fillets complete all as specified and directed. |
| 29 | S & F anodised GI snap grid frame work for false ceiling including GI wire 4mm thick as a suspender for GI snap grid framing all as specified |
| 30 | S&F 4 mm thick Non asbestos fibre cement building board decorative type( e-board)fixed in aluminium snap grid frame work with screws complete all as specified and directed. |
| 31 | Supply and fix in repair UPVC (SWR) bend in any radius110 mmdia all as specified and directed. |
| 32 | All as per item No 30 here-in-before but 75mm bore |
| 33 | M&L for 75 mm thick 1:3:6 type C2 ( using 40 mm graded stone aggregate) as plinth protection/paving finish even and smooth without using extra cement complete all as specified and directed. |
| 34 | Supply and fix,PVC soil or waste pipe 75 mm bore single socketted type "B"in any length with rubber ring joints laid trenches or floor/wall all as specified and directed. |
| 35 | Supply and fix in repair UPVC (SWR) bends (any radius) for 110 mm bore PVC pipes with oval access door all as specified and directed. |
| 36 | All as peritem No 34 here-in-beforebut 75mm bore |
| 37 | Taking down chowkats orframe with shutters (without taking off shutters from frame)each not exceeding1.50 Sqm each all as directed. |
| 38 | Taking down chowkats orframe with shutters (without taking off shutters from frame)each exceeding1.50 Sqm but n.exc 4.00 sqm each all as directed. |
| 39 | Cutting holes in brick walls in cement mortar for inserting hold fasts and making good dismantled portion in cement mortar (1:3) or cement conrete (1:2:4) type B1 using 20 mm graded aggregate as required depth of embedded portion of hold fasts or lugscomplete all as specified and directed. |
| 40 | Material and labour for Plain Cement Concrete (1:3:6) type C1 (using 20mm graded stone aggregate) for filling in door frames all as specified and directed. |
| 41 | Supply and fix second class hard wood small fittings such as brackets of any type, latch and hinge blocks shaped door and window stops and the like incl all necessary labours, articles not exceeding 200 cucm each complete all as specified and directed. |
| 42 | Supply and fix pressed steel frames of size 125 mm x 60 mmx 1.25 mm with one or more rebates including necessary fixing lugs, hinges, lock strike, plate etc complete all as specified and directed |
| 43 | S&F 30 mm thick Flush shutters, solid core construction, with block board core and plywood face panels, commercial type on both sides complete all as specified and as directed |
| 44 | S&F Factory made fully glazed PVC door shutter 30mm thick (style) consisting of frame made out of M.S. tubes for top & bottom rails, M.S. frame shall be covered with heat moulded plain colour PVC `C" channel having a PVC sheet strip of 20mm width stuck inside with solvent cement for stiles & plain colour PVC sheets for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail; Panelling of glass panes to be fitted in the M.S frame welded/ sealed to the stiles, & rails with suitable PVC sheet beading, & joined together with solvent cement, in the frame at site as per specification & drawing. |
| 45 | S&F Solid PVC Door Frame of size 50mm x 47mm made out of 5mm wood grain printed PVC sheet & edges will be painted to match with printed sheet reinforced with M.S Square tube, in opening as per specification & drawing |
| 46 | S&F factory made solid panel Prelam PVC door shutter 30 mm thick (style) consisting of frame made out of M.S. tubes for top & bottom rails. M.S. frame shall be covered with heat mouldedPVC ‘C’ channel having a PVC sheet strip of 20mm width stuck inside with solvent cement for stiles and both face prelamPVC sheets for top rail, lock rail & bottom rail on either side & as gap insert for top rail & bottom rail; Panelling ofprelamPVC sheet to be fitted in the M.S. frame welded / sealed to the stiles & rails with suitable PVC sheet beading, and joined together with solvent cement, suppling & fixing in the frame at site as per specification & drawing. |
| 47 | S&F Steel rolling shutters, without ball bearing, as specified including top cover, anchoring rod, hasp & staple & one shop coat of primer; erected in position as indicated, complete; push pull or manual type Thickness of laths 1.25 mm complete all as specified and directed. |
| 48 | Supply and fix 100 mm sizebutt hinges medium weight cold rolled mild steel all as specified and directed |
| 49 | Supply and fix 75 mm long butt hinges, medium weight, and cold rolled mild steel all as specified and directed. |
| 50 | Supply and fix 200 mm long aluminum anodised barrel tower bolts of extruded section all as specified and directed |
| 51 | Supply and fix 100 mm long aluminum anodised barrel tower bolts of extruded section all as specified and directed |
| 52 | Supply and fix 150 mm extruded aluminum alloy handles, fabricated type, anodized all as specified and directed |
| 53 | Supply and fix 125mm extruded aluminum alloy handles, fabricated type, anodized all as specified and directed |
| 54 | Supply and fix 300 mm long aluminum alloy anodised sliding door bolt with hasp, staple (bolt type) and fixing clips of steel, cast or extruded sections and fixing bolts and sliding bolts of extruded sectionor cast aluminum alloy all as specified and directed |
| 55 | Supply and fixwire cloth, 0.36 mm nominal dia of wire and average width of aperture 1.40 mm and fixed with tinned tacks, or aluminium wire staples complete all as specified and directed. |
| 56 | S&F 300 mm MS ordinary rat tail rod pattern springs including roller and roller plate complete all as specified and directed. |
| 57 | S & F Steel windows with side hung shutters both mosquito proof and glazed shutterincluding box type hinge double with steel handle and steel peg stay, complete with glazing bars, dovetailed or welded including taking down old steel window with guard bars (guard bars shall be measured separately) complete all as specified and directed. |
| 58 | S&F framed work such as grills, gratings,etc with ends of bars shouldered and /or riveted, or forged into spikes framed guard bars barred iron doors , laddersand similar work conforming to Fe 410-0 or FE310-0 complete all as specified and directed. |
| 59 | Supply and fix mild steel flat iron 25 x 3 mm as in band, straps, hold fasts etc and similar small articles conforming to Fe-410-0 or Fe-310-0 all as specified and directed. |
| 60 | Supply and fix sheet glass 3.0 mm thick ordinary quality and glazing with oil putty in squares not exc. 0.50sqm in each pane all as specified and directed. |
| 61 | Supply and fix Figuredglass 3.0 mm thick pin head type glazing with oil putty in squares not exc. 0.50sqm in each pane all as specified and directed. |
| 62 | Material and labour for preparation of new and previously un-treated wood and wood base surfaces of any description, not otherwise described over 10cmwidth or girth and applying two coats of synthetic enamel paint over one coat of pink primer all as specified. |
| 63 | Material and labour for preparation of new and previously un-treated steel surfaces of any description, not otherwise described over 10cmwidth or girth and applying two coats of synthetic enamel paint over one coat of red oxide primer all as specified. |
| 64 | Preparing surfaces of wood and wood based materials, steel and iron work new or old surfaces of small articles such as hold fast, back of chowkhat area not exc 0.10 Sqm treated with and tar or coal tar black paint all as specified and directed. |
| 65 | Supply and fix as in repair CP stop valve,cast copper alloy, screwed down high pressure, with crutch or butterfly handles for 15 mm bore pipe or for unions all as specified and directed. |
| 66 | Supply and fix as in repairstop valve,chromium plated with long shank and cup (concealed type) body with wall flange cast copper alloy, screwed down high pressure, with crutch or butterfly handles for 15 mm bore pipe or for unions all as specified and directed. |
| 67 | S & F in repairs 15 mm bore chromium plated bib taps, cast copper alloy, with crutch or butterfly handle, screwed down, screwed for iron pipe or for brass ferrule complete all as specified and directed. |
| 68 | Supply and fix as in repairs, 15 mm bore, chromium plated swivel type shower rose with arm and wall flange all as specified and directed of size 125 mm. |
| 69 | Supply andfixPVC floor trap 75 mm dia of outlet with grating incl jointing to waste pipe all as specified and directed |
| 70 | Supply and fix,as in repairs,vitreous china squatting pan of Orrisa pattern size 580mm x 440 mm, white, with integral foot rests (excluding flushing cistern and flush pipe) including connection andmaking good to floor all as specified and directed. |
| 71 | Supply and fix 15 mm dia 450 mm long PVC connection pipe with two PVC PTMT nuts at each ends with rubber washer complete all as specified and directed. |
| 72 | Supply and Fix in repairs 10 Litres, PVC, Flushing Cistern, low level, white inlet, ball valve, float, , and brackets complete all as specified and directed. |
| 73 | S&F 15mm dia steel tubes, "medium grade" galvanised, with all fitting and fixedcomplete incl cutting chasing pinning and making goodto walls and ceilings or laid in floors complete all as specified and directed. |
| 74 | S&F 20mm dia steel tubes, "medium grade" galvanised, with all fitting and fixedcomplete incl cutting chasing pinning and making goodto walls and ceilings or laid in floors complete all as specified and directed. |
| 75 | S & F in repair vitreous chaina wash hand basin 550x 400mm (flat ball type) any size including cutting for and pinning in ends of brackets and fixing of supply and waste water pipe complete complete all as specified and directed. |
| 76 | S & F in repairs 15 mm bore pillar taps, Cast Copper alloy, with capstan heads, chromium plated, screwed down high pressure with or without lettered Hot or Cold with long screwed shanks and fly nuts, screwed for iron pipe. complete all as specified and as directed. |
| 77 | S & F looking mirrorof selected quality glass, mounted on 6mm thick AC builidng board or commercial plywood and fixed to wooden plugs with chromium plated brass screws and cup washers complete all as specified and directed. |
| 78 | M&L for applying two coat of cement based paint painton new surface including preparation of surface over a coat of Priming plastered and other surfaces with alkali resistant priming paint complete all as directed. |
| 79 | M&L for applying one coat of cement based paint painton old surface including preparation of surface complete all as specified and directed. |
| 80 | M & L for preparation of new plaster surface of walls etc and applying two coats of acrylic washable distemper over 1 mm thick wall care putty in two coats over a coat of primer (smooth bodied opaque finish surface) complete all as specified and directed. |
| 81 | M & L for preparing of surfaces of walls by complete removal of existing treatment and applying two coats of acrylic washable distemper over 1mm thick wall care putty in two coats over a coat of primer (smooth bodied opaque finish surface) complete all as specified and directed. |
| 82 | Material and labour for applying two coats of white washing to plastered surfaces on Ceiling including preparation of new surfaces complete all as specified and directed. |
| 83 | Material and labour for preparation of old decorated plastered or unplastered surfaces of ceiling and applying one coat of white washing complete all as specified and directed |
| 84 | Dismantling of 100 mm internal dia., Cast Iron or reinforced concrete drain pipes, jointed in cement mortar and taking out from trenches complete all as specified and directed. |
| 85 | S & F 100 mm bore Cast Iron Spun pipes, Soil, waste and vent pipes in any length with or without ears, with cement joints, laid in floors or trenches complete all as specified and directed. |
| 86 | S & F 75 mm bore Cast Iron Spun pipes, Soil, waste and vent pipes in any length with or without ears, with cement joints, laid in floors or trenches complete all as specified and directed. |
| 87 | S & F 100 mm bore Cast Iron Spun pipes, Soil, waste and vent pipes in any length with or without ears, with cement joints fixed to walls complete all as specified and directed. |
| 88 | S & F 75 mm bore Cast Iron Spun pipes, Soil, waste and vent pipes in any length with or without ears, with cement joints fixed to walls complete all as specified and directed. |
| 89 | S & F 75 mm dia., Cast Iron Spun Bends (any Radius), diminishing pieces or tapers complete all as specified and directed. |
| 90 | S & F 100 mm dia., Cast Iron Spun Bends (any Radius), diminishing pieces or tapers complete all as specified and directed. |
| 91 | S & F 75 mm dia., Cast Iron Spun) Branch pieces, Single (equal or unequal), ordinary or inverted (spigot or socketed type) or with parallel branches with oval access door complete all as specified and directed. |
| 92 | S & F 100 mm dia., Cast Iron Spun) Branch pieces, Single (equal or unequal), ordinary or inverted (spigot or socketed type) or with parallel branches with oval access door complete all as specified and directed. |
| 93 | S & F 100 mm Cast Iron sanitary connection short connections pipe of length up to 300 mm complete all as specified and directed. |
| 94 | S & F 100 mm Cast Iron sanitary connection socket to fit WC outlet complete all as specified and directed. |
| 95 | S & F 100 mm bore cast iron Por S trap complete all as specified and directed. |
| 96 | M&L Cement conrete type1:2:4 type B-1 (20 mm graded aggregate) as in coping , parapets, cills, bed plates , water trough and the like including weathering , slightly rounded or chamfered angles and throating complete all as specified and directed. |
| 97 | Dismantling plain or corrugated AC sheeting , any, thicknessor similar pattern roof coverings complete all as specified and directed. |
| 98 | Dismantling wrought iron or mild steel work of any description not otherwise provided for complete all as specified and directed. |
| 99 | S & F MS steel work in /rectangular trusses/angle and posts/purlin including special shaped washersetc., complete using but welded tubes confirming to IS 1161- 1979 graded St 240 withone shop coat of zinc chromate primer paint as in gates post purlin etc complete all as specified and directed. |
| 100 | M&L Pre-painted galvalume aluminium zinc coating GI based corrugated steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specifie and directed. |
| 101 | Pre-painted galvalume aluminium zinc coating GI based plain steel sheet 0.50 mm thick of any colour having tensile strength of 550 Mpa as in ridge/valley/gutter, fixed with self tapping screws as specified directed. |
| 102 | S&F Harrison rails for curtain rod,mild steel, chromium plated with fixing brackets, stops, rollers complete all as specified and directed. |
| 103 | M&L for sand filling under floor or below paver blocks incl. watering and consolidation complete all as specified and directed. |
| 104 | M&Lfor coloured machine pressed precast concrete interlocking paver block any shape and size confirming to IS 15658-2006 of 60mm thickness, M-40 Grade with grey cement and pigment complete all as specified and directed. |
| 105 | M&L for PCC, 1:2:4 type B1,(using 20mm graded cr stone aggr in lintels upto 1..5 m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs not provided for in Item 04028, water troughs and the like including weathering, slightly rounded for chamfered angles and throating, complete all as specified and directed. |
| 106 | M & L Hardcore of gauge n exc 63 mm, deposited, spread and levelled in layers n exc 15 cm thick watered and rammed to a true surface with broken bricks complete all as specified and directed. |
| 107 | M & L 100mm thickPCC (1:3:6) type C-2 using 40 mm graded stone aggregate as in sub base concrete complete all as specified and directed. |
| 108 | M&L Chequered cement concrete tiles 20cm x 20cm x 25mm thick, set, jointed & pointed in neat cement slurry in floors with grey cement & no pigment over 15mm thick screed in CM(1:6) complete all as specified and directed. |
| 109 | Supply and fix in repairs sluice valves cast ironbody PN-1.0 complete with brass spindle and hand wheel including joints and fixing material including taking down old unsv sluice valve complete all as specified and directed as following :- |
| 110 | 100 mm bore |
| 111 | 80 mm bore |
| 112 | Takingup ordownGItubing/ PPRincluding all fittings from trenches , wall, floor etc including cleaning by roding for refixing or removing to store forsafe custody/ reuse or disposal under schedule of credit and all as specified for the following sizes:- |
| 113 | 63mm/50 mmbore |
| 114 | 32mm/40mmbore |
| 115 | 20mm/25 mmbore |
| 116 | Supply and fix GI tube medium gradegalvanised with all fittings such as bend,tee,elbow,sockets,union or flanges laid in trenches of following sizes :- |
| 117 | 100 mm bore |
| 118 | 80mm bore |
| 119 | S & FPolypropylene random copolymer 3 (Three) layer (PP-R) pipes SDR 7.4, UV stablized green coloured, inner anti microbial, fusion welded, having thermal stability for hot & cold water supply including all PP-R plain and brass threaded polypropylene random fitting, laid in trenches for the following sizes of pipes complete all as specified and directed. |
| 120 | 63mm. |
| 121 | 50mm. |
| 122 | 32mm. |
| 123 | 25mm. |
| 124 | S & FPP-R gate valve (brass insert) as per requirement of site and fixed in position including taking down unserviceable gate valves for the following sizes complete all as specified and directed:- |
| 125 | 63 mm. |
| 126 | 50 mm. |
| 127 | 32 mm. |
| 128 | 25 mm. |
| 129 | Supply and fix (welding)in repairat siteMS flange heavy duty complete with nuts bolts and washers 06 nos suitable for 100 mm dia GI pipe complete all as specified and directed. Note :1. Taking out pipe from trenches/delivery/raising mains and relaying 2. Welding at site shall be done with portable welding set.Welding set shall be arrange by the contractor. |
| 130 | Supply and fix (welding)in repairat siteMS flange heavy duty complete with nuts bolts and washers 06 nos suitable for 80 mm dia GI pipe complete all as specified and directed. Note :1. Taking out pipe from trenches/delivery/raising mains and relaying 2. Welding at site shall be done with portable welding set.Welding set shall be arrange by the contractor. |
| 131 | Excavation in trenches not exceeding 1.5 metre wide and and not exceeding 1.5 metre in depthfor laying pipes/cable and getting out in soft/loose soil complete all as specified and as directed. |
| 132 | Returning, filling in and including spreading, leveling, watering and well ramming in layers not exceeding 25 cm thick in soft/ loose soil all as specified and as directed. |
| 133 | Removing excavated materials to a distance a exceeding 50 metreand dipositing where directed at a level not exceeding 1.5 m above the starting point in soft / loose soil all as specified and directed. |
| 134 | Supply and fix in repair gun metal gate valves with iron wheel head screwed both ends for GI pipeall as specified and directed for the followingsizes:- |
| 135 | 50 mm bore |
| 136 | 40 mm bore |
| 137 | 25 mmbore |
| 138 | 20 mmbore |
| 139 | Material and labour for complete cleaning & sterlization of inside by using terbac G5 ,Terback G65 and ultra violet ray for following capacity and type of tank. Seven stages as under follows : 1. drain out the water by using existing valve or own high capacity dewaterinf system of agency. 2. cleaning all the algae formation inside tank by using terback G5 a laboratory tested branded chemical of the company and scrubbing the walls of the tanks. 3. fresh water cleaning by high speed jet pump. 4. first bacteria screening is dejermification by using terback-G5 a govt laboratory certified branded halogen compound. 5. cleaning the floor of water tank by industrial vaccum cleaner. 6. second bacteria screening and sterlization method by using ultra violet ray within the tank and kills all suspended bacteria. 7. cleaning and third bacteria screening is to sterlize the floor of the water tank by using laboratory certified branded strong oxidizing agent terback -G 65. |
| 140 | sedimentation tank and treated water tank of capacity 25000 gallon through bacterial treatment |
| 141 | sedimentation tank and treated water tank of capacity upto50000 gallon through bacterial treatment |
| 142 | OHT steel tank of capacity 9600-11000 glns |
| 143 | Repair to leakage of brassed steeloverhead tank by means of replacement of old unsv nuts bolts, washers, packing materials lead wood /gasket etc gas welding to damaged PS plates any numbersand testing complete all as specified and directed. Note : Cost of scafoldingrequired for working at approx 50 feet height and others necessary safety measure is deemed to beincluded in the quoted rates |
| 144 | Dismantling and taking down old corroded PS plate of size 1.22m x 1.22m x 6 mm thickfrom the pressed steel over head tank by unscrewing nut & bolts or cutting joints and removing of nut & bolts etc including jointing material complete at the height of 50 feet all as specified and directed.Note : Cost of scafoldingrequired for working at approx 50 feet heightand others necessary safety measure is deemed to beincluded in the quoted rates. |
| 145 | S & F factory made pressed steel plates of size 1.22m x 1.22m x 6 mm thick fixingincluding all jointing material such as lead wool, gasket, non toxic black putty washer etc complete at the height of 50 feet all as specified and directed. |
| 146 | S&F for steel tank nut bolt & washer Tie bars with screwed ends,nuts, bolts, washers and mild steel plates for walls of tank/plate, etc. king rods and straining bolts conforming to Fe-290 Gde-E-165. |
| 147 | Material and labour for painting of complete tank (External surfaces) of capacity 9600 Gallon of size 4.22x3.88x2.44 mtr including staging,ladder,raising & delivery mains with two coats of synthetic enamel paint (one under coat, one finishing coat)after preparation of old painted surface by scraping old paint, rust and any other unwanted foreign material with wire brush, complete at the height of 60 feet approx all as specified and directed |
| 148 | Material and labour for applying two coats of anti corrosive bituminous paint lead free suitable for potable water to internal surfaces of PS tank of capacity 9600 gallon including preparation of old painted surfaces by scraping old paints, rust and any other unwanted foreign materials and cleaning the dust with water etc complete at the height of 50 feet all as specified and directed. |
| 149 | Repair/Replacement ofwater treatment plant chemical dosing motor from size 0.25 hp to 2 Hp make it functional after repairing/replacementand cleaning/replacement of blockage pipe connection pipe of cpvc 10-20 mm in size /existing size cleaning/replacement of blokage pipefor dosing of chemical from raw water to treated water tank through dosing pump at Pump house Thakurbari 1 & 2 and CETC amaribari and Charduar PH such that treatment plant make functional through authorised installation representative like Optimus/rmco or equivalent. Note: all material and labour charges deemed to be included in quoated rate no extra cost will be provided. |
| 150 | Supply and fix in repaircentrifugal monoblock pump motor starter fully automatic star delta operated enclosed in sheet enclosure type for submersible pump motor of capacity 10/15 HP with single phase preventer complete , AC-3 rating 50 HZ 3 phase complete all as specified and directed. Make:L&T or equivalent make. |
| 151 | S&F Anodised aluminium framefor door,window and ventilator with one or more rebates including joining cleat for fixing etc complete all as specified and directed. |
| 152 | S&F Anodised aluminium door shutters, aluminium section weighing 0.55kg/m including necessary joining cleats, glazing clips, rubber neoprene packing, handels 2 Nos in each door, hinges, anodised alumnium snap beading, screws etc. complete all as specified |
| 153 | S&F Anodised aluminium window & ventilator shutters, fixed type without sash bar, aluminium section weighing 0.55kg/m including necessary joining cleats, glazing clips, rubber packing, anodised alumnium snap beading, screws etc. complete all as specified |
| 154 | Dismantling fencing wire mesh any type complete all as specified and directed. |
| 155 | Fixing only chain link fencing including line wires, wires, any mesh, size and type to any type of standards, rails, straining bolts etc including provision of binding wire complete all as specified and directed. |
| 156 | Supply only chain link fencing MS galvanized fencing any size or type fixed to RCC post including securingor tying with GI /MS wire stable etc complete all as specified and directed. |
| 157 | S&F MS screw bolts 11to15 mm dia of shank (machine made) with hexagonal or square heads at one end and screwed the other, or screwed both ends, each screwed end to be fitted with washers and haxagonal or square exc 15cm and in n.exc 22.5 cm long complete all as specified and directed. |
| 158 | S&F Mild steel round bars 10mm dia and over, cut to length, bent to shape required, including cranking, bending spirally forhooking ends and fixing to chain link fencing complete all as specified and directed. |
| 159 | S&F in repair Galvanized 2 stand steel barbed wire 2.24 mm dia barbed with 2mm dia barbs at 75mm spacing complete all as specified and directed. |
| 160 | Dismantling of posts or struts (wood, steel or RCC) any section including taking out embedded portion and making good distubed ground posts embedded in concrete, brickwork, masonery complete all as specified and directed. |
| 161 | S&F rolled MS in joist, angle, channel sections fixed independently without connecting plates etc of grade Fe 410W (Gde E-250) quality B complete all as specified and directed. |
| 162 | M&L MS works as in framed work such as grills gates, gratings etc with ends of bars shouldered and/or riveted or forged into spikes and similar works conforming to Fe-290, Gde E-165for portions framed and hung as gates, including pintle hinges, stops,hand-made sliding bolts, etccomplete all as specified and directed. |
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