Military Engineer Services-MES has published Tender For Repairs Maintenance Improvement Of Surface Finishes Of Walls N Command Library And Church And Bldg Security Lights Lc La Solar Water Heating System And Connected Works Of Otm And Md Accn Under Ge (Fw) Kolkata.. Submission Date for this Tender is 09-02-2023. LED Light Tenders in kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 01-Feb-2023 | Borrigendum | BOQ | 09-02-2023 |
| Sl. No. | Item Description |
| 1 | Chipping of unsound /weak concrete materials including cover plaster fromRCC structural member i.e. slabs, beams, columns, lintel, chajja, fins, facia etc. of 50 mm average thickness(Anystorey/ height of building/ structure) including tapering all edges, making square shoulders of cavities by air or sand blasting etc and cleaning of exposed concrete surface and reinforcement bars, lightly picking materials by air blasting or sand blasting including removal of foreign materials, loose concrete/aggregate etcand disposal of all debris out side of MOD land and complete all as specifiedandas directed. (NOTE: Measurement shall be considered for the surface area of RCC member) |
| 2 | M&L for applying chloride free rust removing chemicalon rusting steel reinforcement bar as per manufacturer"s specification and removing all rust from steel reinforcement barby wire brush & sand/emery paper (after 24 hours of application of rust remover) and cleaning the area thoroughly by water with the help of pressure jet and allowing it to dry andmaking the reinforcement bar totally rust free(for anystorey/ height of building/ structure) complete all as specified andas directed. (Make of Rust removing chemical :- Reebaklens RR of FOSROC or equivalent product other makes specified in tender) (NOTE: Surface area of cleaned steel reinforcement shall be measured for payment) |
| 3 | M&Lfor introducing new mild steel TMT reinforcement barsfor structural connection in RCC beams, columns, lintel and slabs (for anystorey/ height of building/ structure) including power drilling holes of appropriate diameters in reinforced or plain cement concrete to a minimum depth of 150mm and up to 200mm including power drilling, fixing the reinforcement in position using epoxy, cleaning of loose dust by blowing air, sealing with epoxy cartridges, plastic nozzles etc as per manufacturer"s instructions etc all as specified and directed. (Make of epoxy chemical :- Lockfix E75 of FOSROC / Hilti HY 150 or equivalent product other makes specified in tender) (NOTE: Reinforcement bars shall be paid separately) |
| 4 | M&L for preparation of old existing corroded and new introduced reinforcement surface (at anystorey/ height of building/ structure) by brushand application of two component epoxy based zinc rich primer,ofminimum specific gravity 1.75, adhesive bond strength with steel as 1.50N/mm2, as a protective coating to steel reinforcement bars in concrete with total zinc content in dry film >90% by volume and DFT per coat >50 microns complete all as specified and directed. (Make- Nitozinc primer of FOSROC or equivalent product in other makes specified in tender) (NOTE: Surface area of steel reinforcement shall be measured for payment) |
| 5 | M&L for applying a coat of epoxy bonding agent on existing concrete surfaces, with mixed density 1.48 Kg/litre and adhesive bond strength>2.50 MPs, mixed and applied as per manufacturer"s specifications complete all as specified and directed. (Make- Nitobond EP of FOSROC or equivalent product in other makes specified in tender) (NOTE: Measurement shall be considered for the surface area of RCC member. |
| 6 | M&L for applying shrinkage controlled, polymer modified, fibre reinforced cementitious repair mortar, as per manufacturers instructions to get a compressive strength of 35 MPA after 28 days, finishing surfaces even and smooth complete all as specified and directed. (Make- Rendroc SP 40 of FOSROC or equivalent product in other makes specified in tender) (NOTE: Measurement shall be considered for the surface area of RCC member. |
| 7 | GENERAL NOTES FOR ITEM NO64 TO 69 :- (i) The work shall be got executed through authorised applicator of the chemical manufacturers. Necessary documents to this effect shall be obtained from manufacturer and submitted to the Engineer-in-Charge. (ii) Contractor shall provide additional manpower, resources, preparatory work etc. required for execution of the work as required by the authorised applicator. Quoted rates are deemed to be inclusive of the above aspects. No extra claim shall be admissible during execution of work on this account. |
| 8 | Demolition of brick work or stone boulder masonry built in cement mortar including all quarries, arches pillars etc and removing debris off the site complete all as specified and directed. |
| 9 | Taking down cement plaster from brick or concrete surfaces of any description including racking out joints, hacking for key, scrubbing down with water etc complete all as directed. |
| 10 | M&L for brickwork with fly-ash old size bricks, straight or curved on plan exc 6 m mean radius built in cement mortar 1:6 complete all as specified and directed. |
| 11 | M&L for rendering 15 mm thick built in cement mortar (1:4) on fair faces of brick work or concrete surfaces finished even & smooth (without using extra cement) and mixed with water proofing smart care damp block compound 2K of Make: Asian paint as per manufacturer"s instructions including necessary scaffolding in any position, complete all as specified and directed. |
| 12 | M&L for preparation of old cracks on the wall surfaces by raking out joints, hacking for key and "V" groove cutting with a grinder or hammer & chisel, upto 5 mm thick, properly cleaning and filling with crack filler, as per manufacturer"s specifications, finsihed smooth and even with exterior wall putty complete all as specified and directed. (Make: Dr Fixit, Crack - X Paste / Asian Paints, Smart Care Crack Seal / Berger Home Shield, Crack Fill Paste or equivalent product in other paint/building chemical mentioned in tender) |
| 13 | All as per item No.12 above, but for cracks upto 5 - 10 mm thick. (Make: Dr Fixit, Crack - X Shrinkfree / Asian Paints, Smart care Textured Crack Filler or equivalent product in other paint/building chemical mentioned in tender) |
| 14 | M&L for cleaning of roofs by gettingout growingvegetations/ grass & broomingdown withremoving it out of MD land premises ofincludingrepairingto damaged surface of roof by applying two coats of tartaric acid overtwo coats of CM (1:3) with mixed with 3% WPC & sealedwith 85/25 hot blown grade bitumencomplete in patch not exceeding2.0 Sqm eachincluding necessary scaffolding, complete all as directed by Engineer in Charge. |
| 15 | M&L for repairing of damaged portion of mouth at tarrace / roof surface of rain water pipe by cleaning and repairingto mouth of rain water pipe (RWP) by usingCM (1:3) with mix with liquid WPC & sealedwith 85/25 hot blown grade bitumen complete to make joint of rain water pipe and roof suface fully leak proof,complete all as directed by Engineer in Charge. |
| 16 | M& L for repairs to chajja area exc 1 Sqm and n exc 2 Sqm each including dismentling of upward facia,cutting of reinforcement , plaster in CM (1:3) or PCC (1:2:4) type B-0(using 12.5 mm stone aggregate) on top with WPC, benching / haunching, repair to broken plaster with dubbing coat including necessary scaffolding complete all as directed. |
| 17 | M& L for repairs to chajja area exc 2 Sqm and n exc 4 Sqm each including dismentling of upward facia,cutting of reinforcement , plaster in CM (1:3) / PCC (1:2:4) type B-0 on top with WPC, benching / haunching, repair to broken plaster with dubbing coat, including necessary scaffolding complete all as specified and directed. |
| 18 | Taking down chowkhats or frames with shutters (w/o taking off shutters from the frames) area exceeding 1.5 Sqm and not exceeding 4 Sqm each and removing from the site complete all as specified and directed. |
| 19 | Supplying and installing of rectangular & curved/arch uPVC- Fixed windows made out of lead free green profiles having a worldwide presence with a GREENLINE mark with frame dimension of 58mm x 52mm x 33mm for windows with corners fusion welded, fully reinforced with Galvanized steel of 1.2mm . The physical properties of the profiles like Vicat softening temperature, density, tensile strength, hardness, weather ability, impact strength and Modulus of Elasticity should be tested in accordance with ASTM/DIN-ISO standards and the thermal conductivity as per IS standards. The profile manufacturer should be a certified member of IGBC and should have extrusion facility in India and the windows to be assembled and installed by an authorised local fabrication partner . The windows must be installed complete with all kinds of ironmongery in Ist quality (including EPDM gaskets, bridging wedges and glass packers) and with suitable water draining system . Application of Silicon sealant from Inside and Outside with Make: Dowcorning / GE or equivalent. The profiles should be of an international brand having factories in multiple countries and having a warranty of 20 years. The profiles should conform to BSI Quality Management System ISO 9001-2015 and Environmental Management System ISO 14001-2015, with and including necessary scaffolding as required for fixing, complete all as specified and directed. |
| 20 | Supplying and installing of rectangular uPVC fixed windows made out of lead free green profiles having a worldwide presence with a GREENLINE mark with frame dimension of 58mm x 52mm x 33mm for windows with corners fusion welded, fully reinforced with Galvanized steel of 1.2mm . The physical properties of the profiles like Vicat softening temperature, density, tensile strength, hardness, weather ability, impact strength and Modulus of Elasticity should be tested in accordance with ASTM/DIN-ISO standards and the thermal conductivity as per IS standards. The profile manufacturer should be a certified member of IGBC and should have extrusion facility in India and the windows to be assembled and installed by an authorised local fabrication partner . The windows must be installed complete with all kinds of iron mongery in Ist quality (including EPDM gaskets, bridging wedges and glass packers) and with suitable water draining system. Application of Silicon sealant from Inside and Outside of Dowcorning / GE or equivalent. The profiles have a warranty of 20 years. The profiles shall conform to BSI Quality Management System ISO 9001-2015 and Environmental Management System ISO 14001-2015 and also scaffolding if required for fixing is deemed to include in the rate quoted complete all as specified and directed. (Note: The unit rate quoted by contractor excludes cost of glass and includes all other connected accessories. Net opening will be measured for payment purpose.) |
| 21 | Supplying and installing uPVC- Sliding windows/doors made out of lead free green profiles having a worldwide presencewith a GREENLINE mark having two tracks and two sashes (shutters) with frame dimension of 58mm x 49mm and sash dimension of 61mm x 47mm x 37mm with corners fusion welded, fully reinforced with Galvanized steel of 1.2 mm.The physical properties of the profiles like Vicat softening temperature, density, tensile strength, hardness, weatherability, impact strength and Modulus of Elasticity should be tested in accordance with ASTM/DIN-ISO standards and the thermal conductivity as per IS standards.The profile manufacturer should be a certified member of IGBC and should have extrusion facility in India and the windows to be assembled and installed by an authorised fabrication partner. Application of Silicon sealant from Inside / Outside with Make: Dowcorning / GE or equivalent. The profiles should be of an international brand having factories in multiple countries and having a warranty of 20 years. The profiles should conform to BSI Quality Management System ISO 9001-2015 and Environmental Management System ISO 14001-2015 and also scaffolding as required for fixing, complete all as specified and directed. |
| 22 | Hacking out old broken glass (any thickness size quality or description) from metal framesincluding punching or drilling out old glazing pins/spring clips and providing and fixing new ones, all as specified and as directed. |
| 23 | M&L for sheet glass 3mm thick figured glass pin head type and glazing with oil putty in square n. exec 0.5 Sqm in each pane, complete all as specified and as directed. |
| 24 | M&L for sheet glass 4.80mm thick ordinary quality and glazing with oil putty in square exec 0.5 Sqm in each pane, complete all as specified and as directed. |
| 25 | M&L solar control film 25 micron reflective type sticked to glass panes as per instructions of manufacturers, all as specified and directed. |
| 26 | M&L 5 mm thick Toughned glass as in hinged doors, partitions, windows, automaticdoors and similar work including cutting to shape, drilling holes required, complete all as specified. |
| 27 | Dismantling of 150mm bore cast iron (sand cast) soil, waste or reinforced concrete drain pipes, jointed in cement mortar and taking out of trenches, if required all as specified and directed. |
| 28 | S&F 150 mm bore cast iron (sand cast) soil, waste and vent pipes, in any length with or without ears, with cement joints, fixed to walls complete all as specified. |
| 29 | S&F 150 mm bore CI (sand cast) bend any radius, diminishing pieces or tapers complete all as specified. |
| 30 | S&F 150 mm dia CI (sand cast) branch, with or without ears, complete all as specified. |
| 31 | S&F stack clamps out of 50 mm by 5 mm flat iron and 16 mm dia round iron stay, including bolts and nuts and securing ends of stays to wall or roof of 150 mm dia of pipes. |
| 32 | M&L for cleaning new plastered surfaces of walls, soffits of chajja, roof slab etc,using emery paper, putty blade/scraper as applicable for removing loose paint, corosion, algae formation etc complete with one coat of 1mm thick exterior wall care putty through out and applying two coats of weather proof exterior emulsion paint by using airless spray technology capable of operating single spray gun with hose of adequate length over two coats of suitable exterior damp proof primer with Gargo Machine, including necessary scaffolding, safety and protective measures for upto 4 storey building heightcomplete all as specified and directed. Make: Asian (Ultima Suprema) or equivalent other makes specified in tne tender . |
| 33 | M&L for cleaning old treated surfaces of walls, soffits of chajja, roof slab etc, with using high pressure jet washer including cleaning the surface by scrapping as required using emery paper, putty blade/scraper as applicable for removing loose paint, corosion, algae formation etc complete with one coat of 1mm thick exterior wall care putty throught and applying two coats of weather proof exterior emulsion paint by using airless spray technology capable of operating single spray gun with hose of adequate length over two coats of suitable exterior damp proof primer with Gargo Machine, including necessary scaffolding, safety and protective measures for upto 4 storey building heightcomplete all as specified and directed. Make: Asian (Ultima Suprema) or equivalent other makes specified in the tender . |
| 34 | M&L for cleaning new plastered surfaces of walls, soffits of chajja, roof slab etc,using emery paper, putty blade/scraper as applicable for removing loose paint, corosion, algae formation etc complete with one coat of 1mm thick exterior wall care putty through out and applying two coats of weather proof exterior emulsion paint by using airless spray technology capable of operating single spray gun with hose of adequate length over one coat of suitable exterior primer with Gargo Machine, including necessary scaffolding, safety and protective measures for upto 4 storey building heightcomplete all as specified and directed. Make: Asian (Ultima Suprema) or equivalent other makes specified in tne tender . |
| 35 | M&L for cleaning old treated surfaces of walls, soffits of chajja, roof slab etc, with using high pressure jet washer including cleaning the surface by scrapping as required using emery paper, putty blade/scraper as applicable for removing loose paint, corosion, algae formation etc complete with one coat of 1mm thick exterior wall care putty throught and applying two coats of weather proof exterior emulsion paint by using airless spray technology capable of operating single spray gun with hose of adequate length over two coats of suitable exterior primer with Gargo Machine, including necessary scaffolding, safety and protective measures for upto 4 storey building heightcomplete all as specified and directed. Make: Asian (Ultima Suprema) or equivalent other makes specified in the tender . |
| 36 | Note for item No 32 to 35:- The all process of painting will be carried out of Manufacturer authorised representative only, Jet Water machine and Graco Spry painting Machine shall be borne by the contractor and also the contractor should provide adequate jet and Spray machines as per site requirement as directed by Eng-in-Charge. |
| 37 | M&L for preparation of old painted wooden surfaces of any description over 10 cm width or girth and applying one coat of synthetic enamel paint complete all as specified and as directed. |
| 38 | Demolition of cement concrete (un-reinforced) of any description and in any position not otherwise specifically provided for complete all as specified and directed. |
| 39 | M&L Precast cement concrete type B1 (1:2:4) using 20 mm graded aggregate in window or door cills, lintels, bressumers, steps, quoin blocks (for use with masonry), string courses, copings, kneelers, apex stones, pier caps, columns, posts, boundary pillars, bed plates, pintle blocks, anchorage blocks, bonders (for stone walling), corbels, brackets, etc. (of any section indicated), with plain fair faces, including chamfers, weathering"s, throating etc. and setting in cement mortar (1:4) with joints to match complete all as specified and as directed. |
| 40 | SCHEDULE "A" PART-II (ELECTRIFICATION WORKS) S&F in repair new Ceiling rose, surface type, polycarbonatye/bakelite body, three terminals complete all as specified and directed |
| 41 | S&F in repairs LED Street Light/Bldg Security light fitting,20 Watt, 240 Volts, in pressure die cast aluminium housing with lens andtoughened glass cover with integrated constant current electronic driver, having ingress protection of IP 66 and impact resistace of IK 07 complete all as specified and directed and complying with the following specifications:-. (a) minimum efficacy 105 lumen/watt (b) CRI not less than 70, (c) THD < 10% (c) having in built short circuit and surge protection upto 4 kV (d) colour temperature not less than 5700 degree K (e) life not less than 50,000 hours of operation (f) Power factor > 0.95 (NOTES: (1) List of approved makes has been provided in particular specifications. Contractor shall ensure that luminaire provided comply with the aforesaid specifications. No claim shall be entertained during currency of work.. (2) Quoted rate is deemed to be inclusive of dismantling of existing bracket. (3) Wire for electric connection of new fitting and new GI pipe bracket shall be measured & paid separately. |
| 42 | All as per item No. 41 above,but luminairy of 25 watt capacity |
| 43 | All as per item No. 41 above, but luminairy of 30 watt capacity |
| 44 | S&F Bracket/Arm suitable for street light fittings, made out of 32 mm bore (light grade) GI pipe length not exceeding 1.20 metre long, fixed with 02 sets of flat iron clamp of size 32mm x 6 mm, with bolts, nuts and washers of suitable size complete all as specified and as directed by the Engr-in-Charge. |
| 45 | All as per item No. 44 above, but using 40 mm bore light grade GI pipe |
| 46 | S&F in repair aluminium strip 20 mm X 3.15 mm with saddles and fixing screws etc, for roof conductors and down conductors above ground complete all as specified and directed. (NOTE: Porcelain insulators for fixing of strip shall be measured and paid separately) |
| 47 | S&F porcelain insulators of size 50 mm with fixing arrangements complete all as specified and directed. |
| 48 | S&F in repair air termination, single pointed aluminium rod, 12 mm dia and 300 mm long, fixed on GI pipeswith earthing strips for earth conductivity to ground complete all as specified and directed. (NOTE: GI pipe & earthing strip shall be measured and paid separately) |
| 49 | S&F in repair test point terminal block, made of gun metal or phosphorous bronze of size 75 mm X 75 mm X 25mm, drilled and screwed including 3 Nos, 8 mm dia and 25 mm long hex screws complete all as specified and directed. |
| 50 | S&F in repair TPN DB, IP 43 protection, double door (premium range), 415 volts, 4 way (8+12), with 100 Amps copper bus bar for each phase complete all as specified and directed. (MAKE : L&T, Cat No. DBTPN004DD / LEGRAND, Cat No: 507670 / SCHNEIDER, Cat No. A9HTND04 / ABB, Cat No: E-SHDB M4 / PANASONIC, Cat No: BQS 304H / HAGER, Cat No: VYT04DH) |
| 51 | All as per Item No.50above, but 4 Way (8+12) TPN DB (normal range) complete all as specified and directed. (MAKE : C&S, Cat No: CSDBTPNHPDD04 /BCH, Cat No: BCHHTPNDD04W / INDO ASIAN, Cat No: 811841 / HAVELLS, Cat No: DHDPTHODRW04 / HPL, Cat No: MDBTDD04) |
| 52 | S&F in repair Double Door, Sheet Metal Enclosure for DBs (premium range), for mounting of MCB for 240 Volts, 8 way, with 100 Amps rated copper bus bar, Single Pole & Neutral, complete all as specified and directed. (MAKE : L&T, Cat No. DBSPN008DD / LEGRAND, Cat No: 507611 /ABB, Cat No. E-SHC M 8 / SCHNEIDER, Cat No. A9HSND08 / HAGER, Cat No: VYS08D) |
| 53 | All as per Item No. 52 above, but 8 Way SPN DB (normal range) complete all as specified and directed. (MAKE : C&S, Cat No: CSDBSPNPDD08 / BCH, Cat No: BCHSPNDD08W / HPL, Cat No: MDBDD08 / HAVELLS, Cat No: DHDPSHODRW08 / INDO ASIAN, Cat No: 811807) |
| 54 | S&F in repair SPN DB, IP 43 protection, double door (premium range), 240 volts, 4 way, with 100 Amps copper Bus Bar complete all as specified and directed. (MAKE : L&T, Cat No. DBSPN004DD / LEGRAND, Cat No: 507610 / ABB, Cat No. E-SHC M4 / SCHNEIDER, Cat No. NBKRENSNDD04 / HAGER, Cat No: VYS04D) |
| 55 | All as per Item No. 54above, but 4 Way SPN DB (normal range) complete all as specified and directed. (MAKE : C&S, Cat No; CSDBSPNPDD04 / BCH, Cat No: BCHSPNDD04W / HPL, Cat No: MDBDD04 / HAVELLS, Cat No: DHDPSHODRW04 / INDO ASIAN, Cat No: 811824) |
| 56 | NOTE FOR ITEM NO. 50 to 55 :- (1) Incoming MCCB/RCCB/MCB and outgoing MCBs shall be measured and paid seperately as "Supply Only". (2) Quoted rate is deemed to be inclusive of blanking plate for slots remaining blank after fixing of MCBs. (3) DB, MCCB, RCCB & MCB shall be of the same manufacturer. |
| 57 | S&F isolator (premium range), 4 pole, 100 Amps complete all as specified and directed. (MAKE : L&T / LEGRAND / SCHNEIDER / ABB / PANASONIC / HAGER) |
| 58 | S&F isolator (normal range), 4 pole, 100 Amps complete all as specified and directed. (MAKE : C&S / BCH / HPL / HAVELLS / INDO ASIAN) |
| 59 | S&F MCB (premium range), "C" series, TPN, 415 volts, 63 Amps, breaking capacity 10KA complete all as specified and directed. (MAKE : L&T / LEGRAND / SCHNEIDER / ABB / PANASONIC / HAGER) |
| 60 | S&F MCB (ordinary range), "C" series, TPN, 415 volts, 63 Amps, breaking capacity 10KA complete all as specified and directed. (MAKE : C&S / BCH / HPL / HAVELLS / INDO ASIAN) |
| 61 | S&F MCB (premium range), "C" series, SPN, 40 Amps, breaking capacity 10KA complete all as specified and directed. (MAKE : L&T / LEGRAND / SCHNEIDER / ABB / PANASONIC / HAGER) |
| 62 | S&F MCB (normal range), "C" series, SPN, 40 Amps, breaking capacity 10KA complete all as specified and directed. (MAKE : C&S / BCH / HPL / HAVELLS / INDO ASIAN) |
| 63 | S&F MCB (premium range), "C" series, single pole, 6 to 32 Amps, breaking capacity 10KA complete all as specified and directed. (MAKE : L&T/ LEGRAND / SCHNEIDER / ABB / PANASONIC / HAGER) |
| 64 | S&F MCB (normal range), "C" series, single pole, 6 to 32 Amps, breaking capacity 10KA complete all as specified and directed. (MAKE : C&S / BCH / HPL / HAVELLS / INDO ASIAN) |
| 65 | S&F in repair PVC terminal rectangular boxes of suitable size with 3 mm thick PVC/plastic laminated sheet, top cover with suitable size brass screwws and washers etc for mounting switches, sockets, regulators etc of size 100 mm X 100 mm X 50 mm deep complete all as specified and directed. |
| 66 | S&F in repairs switch piano flush button AC 230 V Single pole, 15/16 Amps, one way complete all as specified and directed.. |
| 67 | Taking down of old Submain wiring any type including batten/ conduit/ casing at any indicated situation complete all as specified and directed. |
| 68 | M&L for sub main wiring with 2 run of FRLS-H PVC insulated & unsheathed multistranded copper conductor of nominal cross sectional area 2.5 sqmm alongwith one run of FRLS-H PVC insulated & unsheathed multistranded copper conductor of nominal cross sectional area 2.5 sqmm as earth continuity conductor drawn through and including PVC conduit (medium grade) of suitable size, surface type complete all as specified and directed. (NOTE : Three runs of single core 2.50 sqmm cable & one run of PVC conduit shall be measured as one unit) |
| 69 | All as per Srl. Item No. 68 above, but with two runs of 4.0 Sqmm cable and one run of 4.0 Sqmm as earth continuity conductor in PVC conduit (medium grade) (NOTE : Three runs of single core 4.0 sqmm cable & one run of PVC conduit shall be measured as one unit) |
| 70 | All as per Srl. Item No.68 above, but with two runs of 6.0 Sqmm cable and one run of 6.0 Sqmm as earth continuity conductor in PVC conduit (medium grade) (NOTE : Three runs of single core 6.0 sqmm cable & one run of PVC conduit shall be measured as one unit) |
| 71 | M&L for earthing complete with galvanized steel earth plate electrode 600 mm x 600 mm x 6.0 mm thick buried directly in ground vertically to a depth not less than 2.25 meter deep below ground level with top edge earth plate at a depth not less than 1.5M below normal ground level connected to galvanized steel earth wire 4 mm dia(upto 7.5 metres) by means of bolts, nuts check nuts and washers of galvanized steel and connected to main switch board or main control board as directed and including provision of concrete pit in PCC (1:3:6) type C1, pre-cast RCC (1:2:4) type B1 cover slab 45 cm x 45 cm x 5 cm reinforced with 8 mm dia. TMT bars @ 150 mm centre to centre both ways, with one handle for lifting made out of 8 mm dia MS bar, provision of funnel, wire mesh, 20 mm bore galvanized steel tubing (Medium grade) for watering, charcoal or coke and salt in alternate layers, 40 mm bore galvanized steel tubing medium grade for protection of earth lead connection, necessary excavation and earth work in any type of soil and including necessary testing and dismantling of existing unsv earthing complete all as shown in Figure 15A of IS 3043 :1987, complete all as specified and directed. |
| 72 | Servicing and maintenance of solar hot water system installed at the roof ofbuildings, dismentling carefully required nut & bolts, dewatering, descalling corrision by using chemical solutions as per manufacturer instructions, refixing the same in proper position entire satisfication of Eng-iin-Cnarge, including necessary parts as required at site, complete all as specified and directed. |
| 73 | Supply, installation, testing and commissioning of Solar Hot Water System (Flat Plate Collector) of 200 LPD capacity based on indirect transfer of heat including stainless steel back up hot water tank, tank stand, back up PVC cold water tank of capacity 200 litres including electrical backup of 2 KW, as in repairs, complete all as specified and directed. (MAKE : VENUS/ RACOLD/V GUARD / TATA BP SOLAR /SOLAR EXPERTS / SUPREME ) (NOTE : Cold water tank, cold water piping and hot water piping, cold water tank and stand shall be measured and paid separately) |
| 74 | S&F rotational moulded polyethylene water storage tanks Water Tank, double layered, ISI marked of capacity 500 litres capacity rotational moulded polyethylene water storage tanks (cylindrical vertical with closed top) hoisted and fixed in position complete, all as specified and directed. |
| 75 | S&F Ball valves 20 mm bore, high pressure of PTMT with epoxy coated Aluminium rod & high density plastic ball screwed for iron pipe and fixed. (Minimum weight 210 gms), complete all as specified and directed. [MAKE : PRAYAG, Cat No. 152 / POLYTUF, Cat No. 1012(b) or equivalent model in SHAKTI / JEXON] |
| 76 | Supply,laying and testing of 32 mm outer dia, 3- layer PP-R Polypropylene random copolymer) pipes SDR 11 UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed by Engr-in-Charge. |
| 77 | Supply,laying and testing of 25 mm outer dia, 3- layer PP-R Polypropylene random copolymer) pipes SDR 11 UV stabilized and antimicrobial fusion welded having thermal stability for hot & cold water supply all PP-R plain & brass threaded polypropylene random fittings laid in trenches complete all as specified and directed by Engr-in-Charge. |
| 78 | Supply and fixing PPR Gate valve with brass insert and brass working parts suitable for 32 mm OD PPR pipe complete all as specified and directed. |
| 79 | Supply and fixing PPR Gate valve with brass insert and brass working parts suitable for 25 mm OD PPR pipe complete all as specified and directed. |
| 80 | M&L cutting existing steel tubing 25-32 mm bore pipe for addition/alteration and screwing existing steel tubing for addition alteration (each cut measured) complete all as specified and directed. |
| 81 | Screwing existing steel tubing 25-32 mm bore for alterations or additions (or lengthening screw on pipe to form connection) including insertion of new fittings as required complete all as specified and directed. |
| 82 | S&F Chromium plated brass Bib cock with wall flange, fancy type, long body, fixed to 20 mm bore of Iron pipe complete all as specified and directed. (Make : Ess Ess, Cat No: C-209 / JAQUAR, Cat No: CON-107KN/ PARRYWARE, Cat No: G1405A1 / CERA, Model : OCEAN/ PRAYAG, Cat No: 9208 / HINDWARE, Cat No: F330041) |
| 83 | M&L Mild steel framed work such as grills of ornamental type, gratings, etc with ends of bars shouldered and/ or riveted or forged into spikes, framed guard bars, barred iron doors, ladders, framed balusters, walkways, railings, framework of water tanks and similar works incl portions framed and hung as gates, including pintle hinges, stops, hand-made sliding bolts, etc confirming to grade Fe-290. Gde-E-165, complete all as specified and directed. |
| 84 | M&L 1.25mm thick Mild steel plain black sheet, in hearths, covering to door shutters, covering to door chowkats (frames) chullah hoods, water tanks, water troughs ducts, urinal troughs and funnels etc., and similar work, cut to size, holes punched including round headed screws, clout nails or rivets and fixed to wood or steel framing with plain 40mm lap joints with riveted or welded seams including bending or turning up, mitred angles as required, complete all as specified and directed. |
| 85 | M & L for plain cement concrete (1:2:4) type B-2 using 40 mm graded stone aggregates as in foundation filling, fixing of post holes, support to flag pipe and mass concrete complete all as specified and directed. |
| 86 | M&L Preparing new Steel or Iron Surfaces of any description, over 10 Cm width or girth and applying Two Coats of Synthetic Enamel Paint over a coat of Red Oxide/ Zinc Chrome Primer, complete all as specified and as directed. |
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