Bharat Sanchar Nigam Limited-BSNL has published Tender For Day To Day Maintenance For Water Supply, Sanitary Installations, Sewer Line Rainwater Drainage Line Water Tanks Cleaning Etc For Technical Buildings, Office Bldg & Staff Quarters At Cttc Compound Salt Lake. Submission Date for this Tender is 22-03-2024. Drainage Tenders in 24 Paraganas North West Bengal. Bidders can get complete Tender details and download the document.
| Sl. No. | Item Description |
| 1 | Providing and fixing on wall face unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A, including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i)Single socketed pipes. |
| 2 | (a) 75 mm diameter |
| 3 | (b) 110 mm diameter |
| 4 | Fixing on wall face available unplasticised Rigid PVC (Type-A) rain water pipes including jointing with seal ring conforming to IS : 5382, leaving 10 mm gap for thermal expansion, (i)Single socketed pipes. |
| 5 | 160 mm outer diameter |
| 6 | Providing and fixing on wall unplasticised rigid PVC drainage pipe for wash basin, sink, urinal etc. including uPVC fittings, jointing with solvent cement etc. complete as per direction of the Engineer-in-charge. |
| 7 | 50 mm nominal dia off white shedule: 40 pipe. |
| 8 | Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion. |
| 9 | (a) Single tee with door(i) 75x75x75 mm |
| 10 | (a) Single tee with door(ii)110x110x110 mm |
| 11 | (b) Bend 87.5°(i) 75 mm bend |
| 12 | (b) Bend 87.5°(ii) 110 mm bend |
| 13 | (c) Shoe (Plain)(i) 75 mm Shoe |
| 14 | (c) Shoe (Plain)(ii) 110 mm Shoe |
| 15 | Providing and fixing on wall face unplasticised - PVC moulded fittings/ accessories for unplasticised Rigid PVC rain water pipes conforming to IS : 13592 Type A including jointing with seal ring conforming to IS :5382 leaving 10 mm gap for thermal expansion. |
| 16 | (a) Single tee without door(i) 160x160x160 mm |
| 17 | (b) Bend 87.5°(i) 160 mm bend |
| 18 | (c) Shoe(i) 160 mm Shoe |
| 19 | (d) Vent cowl(i) 160 mm cowl |
| 20 | Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50 mm hardwood plugs, screwed with M.S. screws of required length including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete. |
| 21 | 75 mm |
| 22 | 110 mm |
| 23 | Providing and fixing unplasticised -PVC pipe clips of approved design to unplasticised - PVC rain water pipes by means of 50x50x50mm hardwood plugs, screwed with M.S. screws of required length including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete. |
| 24 | 160 mm |
| 25 | Providing and fixing Mild Steel pipe clamps of approved design to unplasticised - PVC rain water pipes or S.C.I pipe by means of fasters or 50x50x50mm hardwood plugs, screwed with M. S. screws of required length including cutting brick work and fixing in cement mortar 1:4 (1 cement : 4 coarse sand) and making good the wall etc. complete. |
| 26 | MS clamp for 100mm nominal dia SCI or PVC pipe |
| 27 | MS clamp for 150mm nominal dia SCI or PVC pipe |
| 28 | 15 mm cement plaster on the rough side of single or half brick wall of mix : |
| 29 | 1:6 (1 cement: 6 fine sand) |
| 30 | Neat cement punning |
| 31 | Repairs to plaster of thickness 12 mm to 20 mm in patches of area 2.5 sq. meters and under, including cutting the patch in proper shape, raking out joints and preparing and plastering the surface of the walls complete, including disposal of rubbish to the dumping ground , all complete as per directions of Engineer-In-Charge. |
| 32 | With cement mortar 1:4 (1 cement : 4 fine sand). |
| 33 | Cleaning of terrace/loft water storage tank (inside surface area) upto 2000 litre capacity at all heights with coconut brushes, duster etc., removal of silt, rubbish from the tank and cleaning the tank with fresh water disinfecting with bleaching powder @ 0.5gm per litre capacity of tank, including marking the date of cleaning on the side of tank body with the help of stencil and paint and disposing of malba, all complete as per direction of Engineer-in-Charge. (The old date already written on tank should be removed with paint remover or black paint and if date is not written with the stencil or old date is not removed deduction will be made @ Rs. 0.10 per litre if during cleaning any GI fittings or ball cock is damaged that is to be repaired by contractor at his own cost and nothing extra will be paid on this account) |
| 34 | Cleaning and de-silting of gully trap chamber, including removal of rubbish mixed with earth etc. and disposal of same, all as per the direction of Engineer-in-charge. |
| 35 | Cleaning of under ground sump, Over Head R.C.C. Tank (independent staging) including disposal of slit and rubbish, all as per direction of Engineer-in-Charge. The cleaning shall consist following operations:- (i) Tank shall be emptied of water by pumping & bottom shall be cleaned of slit and other deposits. (ii) Entire surface area of the sump shall then scrubbed thoroughly with wire brush etc. and pressure washed with water. (iii) Chlorination of RCC internal surface by liquid chlorine. (iv) The treated surface shall be dried using air jetting and all loose particles shall be removal from the surface. (v) Finally the surface shall be treated with ultraviolet radiation etc. as per direction of Engineer-in-Charge. |
| 36 | Disconnecting damaged overhead/terrace PVC water storage tank of any size from water supply line and removing from the terrace including shifting at ground level as per direction of Engineer-in- charge. |
| 37 | Providing & fixing White vitreous china water closet squatting pan (Indian type) along with "S" or "P" trap including dismantling of old WC seat and "S" or "P" trap at site complete with all operations including all necessary materials, labour and disposal of dismantled material i/c malba, all complete as per the direction of Engineer-in charge. |
| 38 | Orissa pattern W.C Pan of size 580x440 mm |
| 39 | Cutting holes of required size in brick masonry wall for fixing of exhaust fan including providing and fixing 300 mm dia PVC pipe conforming BIS-12818 and making good the same etc. complete as per direction of Engineer-in-charge. |
| 40 | Dismantling W.C. Pan of all sizes including disposal of dismantled materials i/c malba all complete as per directions of Engineer-in- Charge. |
| 41 | Removal of building rubbish / malba / similar unserviceable, dismantled or waste materials by mechanical means, including loading, transporting, unloading to approved municipal dumping ground or as approved by Engineer-in-charge, beyond 50 m initial lead, for all leads including all lifts involved. |
| 42 | Refixing on wall face of available S.C.I rain water pipes including filling the joints with spun yarn , soked in neat cement slurry and cement mortar 1:2 (1cement : 2 fine sand) as per direction of Engineer-in-charge. |
| 43 | 100 mm dia pipe |
| 44 | 150 mm dia pipe ( Note: Charges for scaffoling will be paid seperately above 6.0m height). |
| 45 | Providing and fixing circular lid (Plain) for PVC over head tank of capacity 1000 to 3000 litre as per direction of the Engineer-in-charge. |
| 46 | Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge. |
| 47 | Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix) |
| 48 | Dismantling GI/PVC pipe with fittings and clamps including stacking within the compound as per direction of the Engineer -in Charge. |
| 49 | 15mm to 50 mm diametre pipe. |
| 50 | Dismantling fixtures where necessary as per direction of the Engineer-in-Charge. |
| 51 | Flushing cistern, wash basin, sink, EWC , Anglo Indian WC etc. |
| 52 | CP/ Brass/ PTMT/PVC/Iron stop cock/ bib cock/ pillar cock/ wheel valve/gate valve etc. upto 50mm dia. |
| 53 | Renewing PVC hinges of EWC. seat. |
| 54 | Supplying of ISI marked G.I. fittings for G.I. water pipe line work of required length and diameter. |
| 55 | (a) Equal or reducing Socket, Elbow, Tee etc. (i) 15 mm dia & 20mm dia. |
| 56 | (a) Equal or reducing Socket, Elbow, Tee etc. (ii) 25 mm & 32mm dia |
| 57 | (a) Equal or reducing Socket, Elbow, Tee etc. (iii) 40mm dia. |
| 58 | (a) Equal or reducing Socket, Elbow, Tee etc. (iv) 50mm dia. |
| 59 | (a) Equal or reducing Socket, Elbow, Tee etc. (v) 80mm dia |
| 60 | (a) Equal or reducing Socket, Elbow, Tee etc. (vi) 100 mm dia |
| 61 | (b) Long screw/Union (i) 15 mm dia & 20mm dia. |
| 62 | (b) Long screw/Union (ii) 25 mm & 32mm dia |
| 63 | (b) Long screw/Union (iii) 40mm dia. |
| 64 | (b) Long screw/Union (iv) 50mm dia. |
| 65 | (c) Short Pieces upto 150mm long (i) 15 mm dia & 20mm dia. |
| 66 | (c) Short Pieces upto 150mm long (ii) 25 mm & 32mm dia |
| 67 | (c) Short Pieces upto 150mm long (iii) 40mm dia. |
| 68 | (c) Short Pieces upto 150mm long (iv) 50mm dia. |
| 69 | Dismantling WC pan (indian Type) including breaking of cement concrete etc for repairing or renewing of damaged WC pan as per direction of the Engineer-in-charge. |
| 70 | Providing and fixing white vitreous china flat back half stall urinal of size 580x380x350 mm with standard size flush pipe, spreaders with unions and clamps with waste fitting as per IS : 2556, including painting of fittings and cutting and making good the walls and floors wherever required : |
| 71 | Providing and fixing white vitreous china water closet squatting pan (Indian type) : |
| 72 | Orissa pattern W.C. pan of size 580x440 mm |
| 73 | Providing and fixing white vitreous china pedestal type (European type/ wash down type) water closet pan. |
| 74 | Providing and fixing P.V.C. low level flushing cistern with manually controlled device (handle lever) conforming to IS : 7231, with all fittings and fixtures complete. |
| 75 | 10 litre capacity - White |
| 76 | Providing and fixing solid plastic seat with lid for pedestal type W.C. pan complete : |
| 77 | White solid plastic seat with lid |
| 78 | Providing and fixing PVC. inlet connection for flush pipe connecting with W.C. pan. |
| 79 | Providing and fixing white vitreous china squatting plate urinal with integral rim longitudinal flush pipe. |
| 80 | Providing and fixing white vitreous china wash basin including making all connections but excluding the cost of fittings : |
| 81 | Flat back wash basin of size 550x400 mm. |
| 82 | Providing and fixing P.V.C. waste pipe for sink or wash basin including P.V.C. waste fittings complete. (a) Semi rigid pipe |
| 83 | (i) 32 mm dia |
| 84 | Providing and fixing 600x450 mm beveled edge mirror of superior glass (of approved quality) complete with 6 mm thick hard board ground fixed to wooden cleats with C.P. brass screws and washers complete. |
| 85 | Providing and fixing PTMT Waste Coupling for wash basin and sink, of approved quality and colour. |
| 86 | Waste coupling 31 mm dia of 79 mm length and 62 mm breadth weighing not less than 45 gms. |
| 87 | Providing and fixing PTMT towel rail complete with brackets fixed to wooden cleats with CP brass screws with concealed fittings arrangement of approved quality and colour. |
| 88 | 600 mm long towel rail with total length of 645 mm, width 78 mm and effective height of 88 mm, weighing not less than 190 gms. |
| 89 | Providing and fixing PTMT shelf 440 mm long, 124 mm width and 36 mm height of approved quality and colour, weighing not less than 300 gms. |
| 90 | Supplying, fitting, fixing Stainless grating 100mm as per direction of the Engineer-in-charge. |
| 91 | Providing and fixing UV STABILIZED, OFF WHITE IN COLOUR, UPVC high pressure pipes conforming to ASTM-D-1785, schedule:40 (Supreme AQUAGOLD or equivalent) as per IS: 554 (where necessary) manufactured from UPVC compound grade equivalent to PVC 1120/2120 of approved brand and manufacture : Internal work exposed on wall |
| 92 | 21.34 mm (tolerance limit +/- 0.10 mm outside diameter having minimum wall thickness of 2.77 mm (tolerance limit + 0.51 mm on wall thickness). |
| 93 | 26.67 mm (tolerance limit +/- 0.10 mm outside diameter having minimum wall thickness of 2.87 mm (tolerance limit + 0.51 mm on wall thickness). |
| 94 | 33.40 mm (tolerance limit +/- 0.13 mm outside diameter having minimum wall thickness of 3.38 mm (tolerance limit + 0.51 mm on wall thickness). |
| 95 | 48.26 mm (tolerance limit+/- 0.15 mm) outside diametre having minimum wall thickness of 3.68 mm (tolerance limit + 0.51 mm on wall thickness. |
| 96 | Providing and fixing G.I. pipes complete with G.I. fittings and clamps, i/c cutting and making good the walls etc. : Internal work – Exposed on wall. |
| 97 | 15 mm dia. nominal bore |
| 98 | 20 mm dia. nominal bore |
| 99 | 25 mm dia. nominal bore |
| 100 | 32 mm dia. nominal bore |
| 101 | 40 mm dia. nominal bore |
| 102 | 50 mm dia. nominal bore |
| 103 | Providing and fixing G.I. pipes complete with G.I. fittings including trenching and refilling etc. : External work |
| 104 | 15 mm dia. nominal bore |
| 105 | 20 mm dia. nominal bore |
| 106 | 25 mm dia. nominal bore |
| 107 | 32 mm dia. nominal bore |
| 108 | 40 mm dia. nominal bore |
| 109 | 50 mm dia. nominal bore |
| 110 | Providing and fixing PTMT bib cock of approved quality and colour. |
| 111 | 15mm nominal bore, 86 mm long. Weighing not less than 88 gms. |
| 112 | Providing and fixing PTMT stop cock of approved quality and colour. |
| 113 | 15 mm nominal bore, 86 mm long. Weighing not less than 88 gms. |
| 114 | Providing and fixing PTMT pillar cock of approved quality and colour . |
| 115 | 15mm nominal bore, 107 mm long. Weighing not less than 110 gms. |
| 116 | Providing and fixing PVC Ball cock of approved quality, colour and make with necessary accessories complete. |
| 117 | 15 mm nominal bore. |
| 118 | Providing and fixing PTMT angle stop cock 15 mm nominal bore. Weighing not less than 85 gms. |
| 119 | Providing and fixing unplasticised P.V.C. connection pipe with PTMT Nuts, collar and bush of approved quality and colour. |
| 120 | 15 mm nominal bore with 45 cm length. |
| 121 | Cutting holes up to 30x30 cm in walls including making good the same: |
| 122 | With common burnt clay F.P.S. (non modular) bricks. |
| 123 | Making chases up to 7.5x7.5 cm in walls including making good and finishing with matching surface after housing G.I. pipe etc. |
| 124 | Providing and fixing Aqua CPVC high pressure ball valve(Plastic Ball) of approved quality including the cost of necessary uPVC socket, pieces of pipes etc. required for the work complete as per direction of Engineer-in-Charge : |
| 125 | 20mm nominal bore. |
| 126 | 25mm nominal bore. |
| 127 | 32 mm nominal bore |
| 128 | 40mm nominal bore. |
| 129 | 50mm nominal bore. |
| 130 | Providing and fixing UPVC SCH: 80 Union in UPVC. pipe line including cutting and threading the pipe and making long screws etc. complete (New work): |
| 131 | 25 mm nominal bore. |
| 132 | 40 mm nominal bore. |
| 133 | 50 mm nominal bore. |
| 134 | Providing and fixing 15mm nominal bore, 195mm long PTMT shower arm. |
| 135 | Providing and fixing soil, waste and vent pipes uPVC soil waste pipe conforming to ISI No.13592 1992 (TYPE-B) manufactured by Supreme or equivalent. |
| 136 | 110 mm outer dia Type-B pipe. |
| 137 | Providing and fixing uPVC fittings for new and repairs to soil waste and vent pipe(TYPE-B) with necessary rubber ring, solvent cement, gasket etc. complete as per direction of Engineer-in-Charge. (a) 110 mm dia. |
| 138 | Door bend (T/S) of required degree with access door. |
| 139 | Single Tee with door. |
| 140 | W.C. connector straight (Reducer type) (125 X 110 mm). |
| 141 | P Trap(125x110mm with WC ring). |
| 142 | Vent Cowl. |
| 143 | Cross Tee with door |
| 144 | Supplying, fitting and fixing PVC flushing cistern parts after removing the defective parts complete as per direction of the Engineer-in-Charge. |
| 145 | Polythene syphone with nut , plunger plate, plunger rod and lifting device complete. |
| 146 | Handle lever set for PVC flushing cistern. |
| 147 | Repairs of leakage of fullway valve/ peets valve 20mm to 50mm dia as required (Rate includes removing defective valves and refixing the same after repairing including the cost of screws, nuts packing materials etc but excluding the cost of parts required as per direction of the Engineer-in-charge. |
| 148 | Repairing leakage/cleaning/ adjusting ball valve, syphone renewing washer of syphone of PVC cister, cleaning the layers of iron scaling deposited inside the PVC cistern by using acid etc. complete as per direction of the Engineer-in- Charge. |
| 149 | Removing chokage and repairing leakage of water pipe lines as and when required including cost of jointing materials such as zinc, jute etc. require to sealing the leakage of joints (Cost includes for necesary scafoldings require for out side pipe line of building upto floor-V level. Cost for fittings and pipes if required will be paid seperately). |
| 150 | 15mm to 50mm nominal dia pipe. |
| 151 | Supplying, fitting and fixing C I brackets /15 mm dia GI pipe as brackets including two coats of painting as per direction of the Engineer-in Charge for wash basin, sink etc. |
| 152 | Supplying , fitting, fixing Hand Shower (Health Faucet) with 1.0m flexible tube with wall hook of Chrome plated range of Prayag or equivalent. |
| 153 | Supplying , fitting, fixing PTMT 2-way bib Cock - 15 mm, supplied, fitted and fixed. (Cat No.129 standard rage of Prayag or similar brand). |
| 154 | Providing and fixing stainless steel grating of approved quality and colour. (a) Circular type. (i) 100 mm nominal dia. |
| 155 | Removing chokage of water closet. |
| 156 | Removing chokage manually and by the help of split bamboo i.e sludge, mud and other materials from the vertical HCI pipe lines over ground including cost of necessary scaffolding for cleanibg upto floor-V level complete as per direction of the Engineer-in-Charge: (a)Vertical SW pipe line upto 150mm dia. |
| 157 | Cleaning chokage of master trap pits of SW lines as per direction of the Engineer-in-Charge. |
| 158 | Periodic cleaning of sewer line, sewer manhole, sewer gully chamber and storm water underground line, storm water line inspection pits, storm water road side gully pits etc. by using bamboo/rod for clearing the sewer/storm water line,taking out sludge, debris, rubbish and other waste materials, if any, from the sewer/storm water line and flooding/flushing with sufficient quantity of water with pressure to ascertain through cleaning of drainage system for smooth and proper functioning of sewer/storm water line including disposal of the all waste material outside the municipal limit or burried into pits at safe available distance as directed all complete. (Note-The operation includes cost of all and nothing shall be paid extra on any account). |
| 159 | Underground Sewer line/Storm water drainage line upto 150mm dia |
| 160 | Sewer line/Storm water inspection Pit. |
| 161 | Storm water drainage Gully Pits. |
| 162 | Providing and fixing single scaffolding system on the exterior side of building/structure, upto 25 metre height, above ground level, including additional rows of scaffolding in stepped manner as per requirement of site, made with 10 cm dia. bamboo ties @0.90 metre apart fitting and fixing with necessary coir,nails etc. horizontal & vertical with working platform etc. and maintaining it in a serviceable condition for execution of work of uprooting plant,other building repairing works etc..of building for external works. The scaffolding system shall be stiffened with bracings, runners, connecting with the building etc, wherever required, if feasible, for inspection of work at required locations with essential safety features for the workmen etc., complete as per directions and approval of Engineer-in-charge. The scaffolding will be reusable for 19 times and then new scaffolding of similar one will be made. Payment is considered for all the sides of building of first scaffolding used for 19 times and then all new scaffoldings made for the purpose. |
| 163 | Credit value for dismantled unserviceable/ serviceable departmental materials: |
| 164 | (a) G.I. pipe(i) 15mm dia. |
| 165 | (a) G.I. pipe(ii) 20mm dia. |
| 166 | (a) G.I. pipe(iii) 25mm dia. |
| 167 | (a) G.I. pipe(iv) 40mm dia. |
| 168 | (b) CP/Brass Bib/stop cock. (i) 15mm nominal dia. |
| 169 | (c) CP Pillar cock(i) 15mm nominal dia. |
| 170 | (d) Iron/Steel materials (Flat, Angle, Tee, Channel, Joist, Plate, Sheet, Reinforcement etc.) |
| 171 | (e) 100mm nominal dia cast iron pipe. |
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