Military Engineer Services-MES has published Tender For Repair / Renewal Of Water Supply Line / Ws Installations Including Cleaning Of Undergound Reservers And Pvc/Rcc Service Tank And Periodical Maint And Operation Of Filteration Plants At Old Imh Complex Under Ge Alipore Kolkata. Submission Date for this Tender is 19-07-2023. Water Pipe Line Tenders in kolkata West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 04-Jul-2023 | BOQ Corrigendum | BOQ | 19-07-2023 |
| Sl. No. | Item Description |
| 1 | Comprehensive maintenance of Water Treatment Plants (softening plant) with accessories for safe and efficient running at IMH Complex for the period of one calender month including repair/renewal of spare parts as and when required for smooth and efficient functioning of the plant of capacity of 10000 GPH and consisting of following accessories complete all as specified anddirected :- (a) One pressure filter capacity 10000 GPH. (b) One Softner capacity 10000 GPH.. (c) One oxidation chamber.10000 GPH (d) One brine solution tank. (e) One carbon filter capacity 10000 GPH (f)Chlorine dozing pump including service tank. (g)Accessories for above items. Note:- (i) Unit rates shall be deemed to be inclusive of taking down unserviceable parts/accessories and refixing the same after minor repairs as required, adjustments of settings, cleaning down etc and replacement with new spare parts (measured separately) as and when required and including plant operations such as back washing, rinsing of filter and regeneration of resin, rinsing and blending and testing of water for hardness and iron on daily basis (Morning & Evening) for smooth and efficient functioning of the plant. (All required Testing kits will be provided by the contractor including chemicals / reagent required for testing.Tests will be conducted upto the entire satisfaction of Engr in Charge).Contractor shall be responsible for making salt solution and charging of salts. (ii) New spare parts required for renewal shall be measured and paid for separately under relevant items. |
| 2 | Mixing and dosing only calcium Hypochlorite based granulur cholorination chemicals (disinfectant for water treatment) with available chlorine complete all as directed. Note:- Chemical shall be procued and supplied by MES and shall be isued for above work on demand. |
| 3 | Supply and mixing common salt (Non iodised, best quality locally available) of 50 Kg bag complete all as specified and directed. Note : Materials supplied shall be deposited to store and proper receipt taken. For regular consumption of materials shall be issued &maintain record duly signed by Engr-in-charge and contractor. |
| 4 | Supply and charging inside the oxidation chamber of catalyst (MNO2) complete all as specified anddirected. |
| 5 | Supply and pouring resin inside beds of softening plant chamber complete all as specified and directed. Note : Materials supplied shall be deposited to store and proper receipt taken. For regular consumption of materials shall be issued &maintain record duly signed by Engr-in-charge and contractor. (Make :- Zeolite 320/ Thermax/ Indion 225NA) |
| 6 | M & L for cleaning of RCC under ground water sump of various capacities by 6 stage mechanised cleaning system, witn imported machines, complete with the following process :- Preliminary step : Cleaning the surrounding area of the sump/Tank with high presure jet to remove dirts, algaes, muds etc. Stage 1 (Mechanized Dewatering) Pumping out the water stored inside the sump/tank to a considerable level by using special type dewatering pump Stage 2 (Sludge Removal) Sucking & removal of residual water and sludge, which has settled on the floor of the sump/tank, with the help of special type high power sludge pumping equipments. Stage 3 (High Pressure cleaning) Throughly cleaning of the walls/ ceillings of the tank by using high pressure jet cleaners to remove the alages/contaminants cling on the internal surfaces of the tank which helps the growth of microbiological contamination. Stage-4 (Vaccume Cleaning) Removing of sludge, already deposited between rough surfaces of walls/ceiliing /floors of the tank, with high power industrial vaccume cleaner machine to make the tank absolute speck free. Stage -5 (Anti bacterial Spray) Spraying of anti-bacterial agent to all the walls, ceiling, floor of the tank for necessary anti bacterial treatment with high pressure spray machine, to make the tank totally bacteria free. |
| 7 | All as per item No 6 here in before but for RCC over head tanks of various capacity complete all as specified and directed. |
| 8 | All as per item No 6 here in before but for PVC tanks of various capacities complete all as specified and directed. |
| 9 | Dismantling of old unserviceable motor starter panel and Supply, install, testing & commissioning indoor type, wall mounted (fixed with anchor bolt & nuts) motor starter Panel factory made 2.0 mm thick of size (1200mm (W)x1700mm (H)x400mm (D) weather verming proof, CPRI approved cubical panel with IP 67 grade of protection CRCA sheet duly powder coated paint with inner shutter & outer double door with locking arrangement, two side openable with auiminium busbar chamber of 100 Amps capacity for each phases andhalf neutral fixed on suitable FRP insulator all housed in suitable bus bar chamber including necessay cable entry/exit boxes for all incoming & outgoing cable connections with suitable cable glands, lugs etc complete andconsisting the following :- INCOMING (a) Incoming MCCB 63 Amps, 4 pole 415 volt, breaking capacity 25KA, having adjustable thermal (80% to 100%) and fixed magnetic protection and separate link with rotary handle at both incoming and outgoing side.(Make -Legrand/L&T/Havells)-01 No OUTGOING (a) On load 63A Change over switch , 4 pole, 415 Volt, AC with rotary handle & without SS enclosure - 01 No (Make : L&T/Havells/Legrand (b) Outgoing MCCB 40Amps 4 poles 415 Volt breaking cap 25KA, having adjustable thermal (80% to 100%) and fixed magnetic protection with rotary handle and separate link at both incoming and outgoing side -02 Nos (One is standby) (Make -Legrand/L&T/Havells) (c) MCB TPN 40A (16KA) -02 Nos (For starter panel) (MAke - L&T/Havells/C&S) (d) MCB SPN-32 A (10 KA) - 04 Nos (Miscelaneous items) (Make L&T/Havvlls/C&S) (e) MCB MCB SP-6A (10 KA) - 03 Nos (for control wiring) (Make L&T/Havvlls/C&S) |
| 10 | (c) Digital Voltmeter 0-500 V -01 Nos (Make -L&T/AE/C&S) (f Digital Ammeter 0-200 A-01 Nos (Make - L&T/AE/C&S) (g) Volt meter selector switch (6Amps) three position with "OFF (Make - KAYCEE/L&T/C&S)-02 Nos (h) Ammeter selector switch (6Amps) three position with "OFF (Make - KAYCEE/L&T/C&S) (j) CT ration 63/5, tap wound, BPL rated burden 15VA-03 Nos (KAPPA/L&T/C&S) (k) LED Phase indicator light 22mm with cluster LED-03 Nos -01 set of 3 lamps (RYB) (l) Aliminium busbar 4 Nos suitable for current rating 100 Amps duly mounted on FRP/DMC insulator-01 Set (m) Fully automatic star-delta starters ML1.5FASD complete without enclosuresuitable for 25HP motor pump duly mounted on FRP insulator-02 Nos (for 25 HP motor) (Make - Havells/L&T/C&S) (n) Single phase starters (DOL) model MF1 suitabe for upto 2 HP dosing pump-01 No (Make : L&T/Havells/C&S) |
| 11 | (o) Push ON/OFF botton (Green & RED) - 04 Nos (For starter ON/OFF) - 04 Nos (p) Bakelite connector 4 pole -04 Nos (q) Single phase Preventer meter model VSP-02 Nos Control wiring (a Internal control wiring of panel board shall have to be carried out 1100 Volt rated with suitable size single core FRLS PVC copper cable duly crimped withsuitable size & type of tinned copper lugs and shall be wrapped with PVC spring type flexible pipes near the door hinges. Location : Pump House Note : Drawing of Panel and connections shall be approved by Engr-in-Charge before starting the panel work and taking down old unsv items from site as directed) |
| 12 | Disconnecting of electrical connections ,suction and delivery pipes from 20 HP monoblock pump andtaking out monoblock pump from foundation and dismantling of electric burnt motor sent to workshop forrewinding the same with enamelled copper winding wire of existing gauge and quantity (as per original/manufacturer design) including replacement of all bearings, damaged parts, including insulating materials such as insulating sheets insulating paper , insulating heat resistant sleeves, sealing compounds varnish etc and re-assembling the motor and re-installing and reconnecting the suction and delivery pipes and electric connections after completion Note:- Spares shall be measured and paid separately |
| 13 | Gland packing size of 6/8 mm,fixed in replacement complete all as specified and directed. (Make : Teflon or equivalent as approved by the GE) |
| 14 | Supply and fix in repair CI foot valve 100 mm dia, flanged end swing type, ISI marked with neoprin rubber ball, ISI marked alongwith nuts, botls, washers, gasket etc including dismantling and taking out old unsv foot valve from valve chamber/trenches etc complete all as specified and directed. (Make: Normax/Kirloskar/BIR/Kartar/Zoloto) |
| 15 | Thermal relay type ML-2 relay range 20-32A with timer 3-30 sec type cat No ST80328OOOO suitable for 20 HP Pumpfixed into ML-2 FASD, 415 volt, 3 phase , fixed in replacement complete all as specified and directed. (Make : L&T/Havells/Siemens) |
| 16 | Supply and fix in repair single phase preventer model VSP-3 complete all as specified and directed. (Make : Minilac/L&T/Havells) |
| 17 | S&F in repair ML-3 power contactor block with IS/IEC-60947-4-1 &40 A AC3 415 Volt, 50HZ complete all as specified and directed. (Make : L& T/Havells) |
| 18 | M&L for overhauling of submersible pump 7.5 HP installed at Pump House of IMH complex with cleaning, stage casing, carbon trust bearing with pressure plate, suctioner strainer, diffuser bronze, impellers, diaphram, stud nut and bolt of suitable dia and repairs to pump incl replacement of sparts parts like clamps, impeller bushing etc complete all as specified and directed. |
| 19 | M&L for painting of 7.5 HP capacity submersible pump set after removing of old painted /rusted surface by paint removers such as blow lamps, scrapers etc over the surface of motor and pump body and outer surface of column pipes and painting two coats of anti corrosive synthetic paint over two coats of red oxide primer and paint shall be electrical spray complete all as specified and directed. |
| 20 | Supply and fix submersible 10 HP, 3PH, 415V pump for bore wells of dia 6 inch suitable for operating with three phase 415 Volt, AC supply, suitable to delivery 180 ltr/Min at 110mtr head complete with 10 stage pump with suitable rating complete all as specified and directed. (Make : Kirloskar/Crompton /Greaves) |
| 21 | Supply and fix for 10HP starter for 3 phase motor pump with SSP and auto switch submersible water pump (10HP) complete all as specified and directed. (Make : L&T/Crompton/Havells) |
| 22 | Supply and fix for6.0 Sqmm, 3 coreflat submersible cupper cable complete all as specified and directed. (Make : Havells/Polycab/KEI) |
| 23 | Supply and fix in repair 4.0 Sqmm, 3 coreflat submersible copper cable complete all as specified and directed. (Make : Havells/Polycab/KE) |
| 24 | Supply and fixingin repair DOL starters MK1, 3 phase 415 volts suitable for 7.5 HP submersible pump relay range 9-14A complete all as specified and directed. (Make : L&T Cat No SS-96210 or equivalent approved make of Legrand/Siemens.) |
| 25 | S & F in repair MCCB 100A, 4 pole, 415 Volts, adjustable thermal & fixed magnetic setting, braking capacity 16 KA including suitable size of cable glands and lugs complete all as specified and directed. (Make : Havells/ Legrand/ Standard/ C&S ) |
| 26 | Collecting the sample of water of required quantity in bottle/kit from different point submitted duly levelled the source through Engineer-in-charge for forwarding to the test house and testing of water for iron, PH value, Hardness, trubidity, chloride, fluoride ,aresenic test andproducing the test report in triplicate done from NABL & ISO 17025 accredited laboratory/National test House/Govt approvedlaboratory complete all as specified and as directed . Note : Testing shall be carried out monthly and report shall be submitted before 15th of every month.. |
| 27 | Collecting the sample of water of required quantity in bottle/kit from different point producedduly levelled the source through Engineer-in-charge for forwarding to the test house and carrying outbacteriological test for water sample quaterly and producing the the test report in triplicate done from NABL & ISO 17025 accredited laboratory/National test House/Govt approvedlaboratory complete all as specified and directed . Note : Testing shall be carried out quarterly. Note : Testing shall be carried out monthly and report shall be submitted before 15th of every month. |
| 28 | Supply and fixing for coconut shell waste granular activated carbon suitable for activated carbon filter, vertical type complete all as specified and directed. |
| 29 | Material and labour for preparing of outer surfaces of IR plant tank of pressure feed filtration plant comprising of oxidation plant, iron removal plant, brine solution, softeing plant , carbon activated filter of 10000 Gallon capacity including all frontal pipes located at Pump House and applying one coat of synthetic enamel paint (as per existing colour) with spray painting machine including arrow marking on inlet and outlet pipe line after applying one coat of red oxide primer complete all as specified and asdirected. |
| 30 | Material and labour for one coat of synthetic enamelpaint(external surfaces) for old painted surfaces of pipes those are exposed and laid horrizontally and vertically at Pump House not exc. 10mm width or girth after complete removal of loose paint, sludges, rust etcincluding one coat of red oxide primer complete all as specified anddirected. |
| 31 | Material and labour for preparation of old painted Air compressor equipment body such as electric motor, air cylinder and compressor etc and applying two coats of grey synthetic enamelpaint on motor/air cylinder/air comprssor body and two coats of red syntheic enamel painton fan guard and two coats black synthetic enamel paint on base channel frame with spray machineincluding one coat of red oxide primer complete all as specified and directed. |
| 32 | Taking out burntcopper winding from motor of upto 3 HP capacity andrewindingwith super enamelled best quality copper wire of suitable gauge including insulation,heat varnishing and refixing in position including testing and commissioning complete all as specified anddirected. |
| 33 | Taking out burntcopper winding from air compress or motor of 2 HP capacity andrewindingwith super enamelled best quality copper wire of suitable gauge including insulation,heat varnishing and refixing in position including testing and commissioning complete all as specified anddirected. |
| 34 | Supply and fixing for 80mm bore diaphram valve angular with rubber diaphgram including taking out old unserviceable one complete all as specified anddirected. (Make : Kirloskar/Upadhaya/Kirloskar/Leader/Kalpana) |
| 35 | Supply and fixing for 50mm bore diaphram valve angular with rubber diaphgram including taking out old unserviceable one complete all as specified and directed. (Make : Kirloskar/Upadhaya/Kirloskar/Leader/Kalpana) |
| 36 | Supply and fixing for 100mmbore diaphram valve angular with rubber diaphgram including taking out old unserviceable one complete all as specified and directed. (Make : Kirloskar/Upadhaya/Kirloskar/Leader/Kalpana) |
| 37 | S&F in repair heavy duty GI pipe including necessary drilling, welding , provision of branch connection etc all as specified and as directed including one coat of red oxide metal primer and two coats of synthetic anamel paint complete for bore of pipe 100 mm all as specified and directed. |
| 38 | Taking up or down unserviceable steel tubing and connection from trench 40 to 50 mm bore of pipe complete all as specified and directed. |
| 39 | M & L for steel water tubing galvanised 50 mm bore,medium grade in any length , complete including necessary fittings, fixed complete to wall and ceiling or laid in floors including jointing and testing complete all as specified and directed. (Excavation and earth work shall be measured separately). (Make : Tata/ Jindal/ Surya prakash) |
| 40 | M & L for steel water tubing galvanised 40 mm bore,medium grade in any length , complete including necessary fittings, fixed complete to wall and ceiling or laid in floors including jointing and testing complete all as specified and directed. (Excavation and earth work shall be measured separately). (Make : Tata/Jindal/Surya prakash) |
| 41 | Taking up or down unserviceable steel tubing and connection from trench 25 mm bore of pipe complete all as specified and directed. |
| 42 | M & L for steel water tubing galvanised 25 mm bore,medium grade in any length , complete including necessary fittings, fixed complete to wall and ceiling or laid in floors including jointing and testing complete all as specified and directed. (Excavation and earth work shall be measured separately). (Make : Tata/Jindal/Surya prakash) |
| 43 | S&F in repair gate valve, caste copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or unions and fixed to 50 mm bore pipe, complete all as specified and directed. (Make : Surya prakash/Tata/Jindal) |
| 44 | S&F in repair gate valve, caste copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or unions and fixed to 40 mm bore pipe, complete all as specified anddirected. (Make : Surya prakash/Tata/Jindal) |
| 45 | S&F in repair gate valve, caste copper alloy, screwed down, high pressure, with crutch or butterfly handle, screwed both ends for iron pipe or unions and fixed to 25 mm bore pipe, complete all as specified anddirected. (Make : Surya prakash/Tata/Jindal) |
| 46 | Excavation in trenches n.exc 1.5 m wide and n. exc 1.5 m in depth and getting out in soft/loose soil for laying of pipe etc complete all as specified and directed. |
| 47 | Returning and filling in of excaveted soil including spreading levelling watering and well ramming in layer n exc 1.5 m above starting point in soft/loose soil complete all as specified and directed. |
| 48 | Removinfexcavated material (soil) upto a distance n.exc 50 m and depositing where directed at a level n.exc 1.5 m above the starting point complete all as specified and directed. |
| 49 | Supply and fixing in proper position ISI embosed three layer rotational moulded polyethylene water storage tank (cylindrical vertical with closed top), of capacity 500 litres including providing necessary connections after disconnecting and taking down of existing tanks complete all as specified anddirected. |
| 50 | Supply and fixing in proper position ISI embosed three layer rotational moulded polyethylene water storage tank (cylindrical vertical with closed top), of capacity 1000 litres including providing necessary connections after disconnecting and taking down of existing tanks complete all as specified and directed. |
| 51 | Supply and fixing in proper position ISI embosed three layer rotational moulded polyethylene water storage tank (cylindrical vertical with closed top), of capacity 2000 litres including providing necessary connections after disconnecting and taking down of existing tanks complete all as specified anddirected. |
| 52 | Supply and laying in repair 3 layer ( inner antimicrobial,outer UV stabilized) ISI marked ,IS-15801, PP-R pipes SDR 7.4 (PN-116) and PP-R plain fittings in trenches/walls/cellings or laying in floors complete of size outer dia 110 mm including all fittings complete all as specified and directed. |
| 53 | Supply and laying in repair 3 layer ( inner antimicrobial,outer UV stabilized) ISI marked ,IS-15801, PP-R pipes SDR 7.4 (PN-16) and PP-R plain fittings in trenches/walls/ cellings or laying in floors complete of size outer dia 63 mm including all fittings complete all as specified and directed. |
| 54 | Supply and laying in repair 3 layer ( inner antimicrobial,outer UV stabilized) ISI marked ,IS-15801, PP-R pipes SDR 7.4 (PN-16) and PP-R plain fittings in trenches/walls/cellings or laying in floors complete of size outer dia 50 mm including all fittings complete all as specified and directed. |
| 55 | Supply and laying in repair 3 layer ( inner antimicrobial,outer UV stabilized) ISI marked ,IS-15801, PP-R pipes SDR 7.4 (PN-16) and PP-R plain fittings in trenches/walls/cellings or laying in floors complete of size outer dia 32 mm including all fittings complete all as specified and directed. |
| 56 | Supply and laying in repair 3 layer ( inner antimicrobial,outer UV stabilized) ISI marked ,IS-15801, PP-R pipes SDR 7.4 (PN-16) and PP-R plain fittings in trenches/ walls/cellings or laying in floors complete of size outer dia 25 mm including all fittings complete all as specified and directed. |
| 57 | Supply and laying in repair 3 layer ( inner antimicrobial,outer UV stabilized) ISI marked ,IS-15801, PP-R pipes SDR 7.4 (PN-16) and PP-R plain fittings in trenches/ walls/cellings or laying in floors complete of size outer dia 20 mm including all fittings complete all as specified and directed. |
| 58 | Supply and fix in repair PP-R Gate valves (brass insert) of 63 mm outer dia SDR 7.4 (PN16) UV stabilizedand antimicrobial fusion welded having theraml stabilityfor hot and cold water supply including all PP-R plain & brass threaded PPR fittings fixed complete to walls, ceilins or in floors etc with fusion joint etc complete all as spediffied and directed. |
| 59 | Supply and fix in repair PP-R Gate valves (brass insert) of 25 mm outer dia SDR 7.4 (PN16) UV stabilizedand antimicrobial fusion welded having theraml stabilityfor hot and cold water supply including all PP-R plain & brass threaded PPR fittings fixed complete to walls, ceilins or in floors etc with fusion joint etc complete all as specified and directed. |
| 60 | Supply and fix in repair PP-R Gate valves (brass insert) of 20 mm outer dia SDR 7.4 (PN16) UV stabilizedand antimicrobial fusion welded having theraml stabilityfor hot and cold water supply including all PP-R plain & brass threaded PPR fittings fixed complete to walls, ceilins or in floors etc with fusion joint etc complete all as specified and asdirected. |
| 61 | M & L for sluice valve cast iron 100 mm dia long body both ends flanged as per IS-14846 and drilled with stainless steel spindle, iron wheel head and as per pressure rating PN-1.6 (Class-I) ISI marked alongwith withnut,bolt and washers and rubber gaskets etc and fixed in position includingdismantling and taking out old unserviceable sluice valve from valve chamber/trenches etc complete all as specified anddirected. (Make : Kirloskar/BIR/Kartar/Zoloto) |
| 62 | M & L for cast iron reflux valve (Non Return Valve) of size 100 mm bore flanged type of pressure rating PN 1.6, ISI marked alongwith nuts, bolts, washers, gaskets etc, fixed in position includingdismantling and taking out old underviceable sluice valve from valve chamber/trenches etc complete all as specified and directed. (Make : Kirloskar /Zoloto/ Normax/BIR) |
| 63 | M&L for valve pit of size 1.2m x 1.2m x 1.0 m (internal dimensiions), stone/brick construction, including all necessary excavation and earth work in any type of soil, returning, fillingin disposal of surplus spoil to distance not exceeding 50 m and depositing where directed, PCC in foundation of the mix (1:2:4) type D-2, stone masonary in cement mortor (1:4) rendering 12 mm duck in cement mortar (1:4) internally, finished even and fair and pointing flush externally as the work proceeds in the same mortor. Mild steel angle iron 40 x 40 x 6mm frame MS sheet cover 3 mm thick with handle and locking arrangement, painting all the exposed MS work with two coats of sunthetic enamel paint of the that as approved by the GE over a coat of red oxide primer and painting all the MS embeded in PCC with two coats of black bitumenous paint complete all as specified anddirected. |
| 64 | M&L for valve pit of size 60 cm x 60 cm x 75 cm (internal dimensiions),stone/brick construction, including all necessary excavation and earth work in any type of soil, returning, fillingin disposalf of surplus soil to distance not exceeding 50 m and depositing where directed, PCC in foundation of the mix (1:2:4) type D-2, stone masonary in cement mortor (1:4) rendering 12 mm duck in cement mortar (1:4) internally, finished even and fair and pointing flush externally as the work proceeds in the same mortor. Mild steel angle iron 40 x 40 x 6mm frame MS sheet cover 3.15 mm thick with handle and locking arrangement, painting all the exposed MS work with two coats of sunthetic enamel paint of the that as approved by the GE over a coat of red oxide primer and painting all the MS embeded in PCC with two coats of black bitumenous paint complete all as specified and asdirected. |
| 65 | Cutting existing metal/bituminus road/PCC walk way/any type of tile worksn.exc 0.45m width and n.exc 0.90 m in depth including all connected earth work and making good disturbed surfaces matching with the existing specification and finish including disposal of surplus material to a distance n.exc 50m complete all as specified and directed. |
| 66 | S & F forPVC Tank Cover of capacity 2000/1500Ltrs of suitable size/dimension of existing PVC tank complete all as specified anddirected. |
| 67 | S & F for PVC Tank Cover of capacity 1000/750 Ltrs of suitable size/dimension of existing PVC tank complete all as specified anddirected. |
| 68 | S & F forPVC Tank Cover of capacity 500/300 Ltrs of suitable size/dimension of existing PVC tank complete all as specified and directed. |
| 69 | S & F for50mm ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and asdirected. |
| 70 | S & F for 40 mm ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed all as directed by engg in charge |
| 71 | S & F for 25 mm ball brass valves, high pressure, with polythene float and flynut complete, screwed for iron pipe or brass ferrule and fixed complete all as specified and asdirected. |
| 72 | S&F forlow density poly ethylene (LDPE) pipes of pressure rating 6 kgf/cm2 fixed complete to walls , pedestals of poles or in trenches , ducts, etc complete all as specified and asdirected for following :- |
| 73 | 40mm bore |
| 74 | 32 mm bore |
| 75 | Material and labour for two coats of weather proof exterior emulsion paint on new surfaces or previously untreated surface of extenal walls of panels including preparation to remove all foreign materials including necessary working platform complete all as specified and directed. |
| 76 | Supply and fixing for LED 12W Aviation light dependent sensor, IP 65 protected including fixing arrangement and cable connection as specified and directed by Engineer-in-Charge for OHT. Make :Surya Cat Part No : SLE AL 108 LDR SECN IP 65 |
| 77 | Supply and install in repair non clog vertical 7.5 HP submersible pump suitable for 200/250mm dia bore well with chrome steel impeller and cutter, non-clog topass 40 mm size particles, of head 40 RM and flow 600 LPM with guide rail and lifting chain, cables, earthing, testing inclusive of 40 metre long submersible cable and suitable size of starter complete all as specified and directed. |
| 78 | Supply and fixingin repair 2HP (2.5-4A), submersible pump controller complete all as specified anddirected. (Make : L&T/Havells/C&S) |
| 79 | Supply and fixing in repair 1HP (1A-2A), 230V submersible pump controller complete all as specified anddirected. (Make : L&T/Havells/C&S) |
| 80 | Disconnecting of electrical connections from 2 HP submersible pump of fountain andtaking out submersible pump from foundation and dismantling of electric burnt motor sent to workshop forrewinding the same with enamelled copper winding wire of existing gauge and quantity (as per original/manufacturer design) including replacement of all bearings, damaged parts, including insulating materials such as insulating sheets insulating paper , insulating heat resistant sleeves, sealing compounds varnish etc and re-assembling the motor and re-installing and reconnecting the suction and delivery pipes and electric connections after completion complete all as specified and directed. |
| 81 | S&F in repair heavy duty power MD-XL double metalized paper (Extra Low Loss) capacitor for 3 phase, 440 V, 50 Hz system for permissible non- leaner load 20% of capacity 6 KVAR complete all as specified and directed. (Make : Havells/L&T/C&S) |
| 82 | S&F in repair 10 Sqmm 3 core PVC insulated round copper cable, voltage grade 1100 Volt connection for Pump and motor starter panel including suitable size of copper lugs complete all as specified and directed. (Make : Havells/KEI/Polycab) |
| 83 | Labour only for trimming of tree branches upto 9.0 mtr above ground level by providing suitable ladders , safety belts electric/petrol driven saw and removing the treamed branches to a distance not more than 100 meters from the starting point and staking properly complete all as specified anddirected. Note : The gross value of stacked material shall only be considered for measurement. |
| 84 | M&L for providing plain cement concrete type D-2, (1:4:8) (using 40mm graded stone aggregate) as in foundation filling and mass concrete complete all as specified and directed. |
| 85 | M&L for providing plain cement concrete type C-2, (1:3:6) (using 40mm graded stone aggregate) as in foundation filling and mass concrete complete all as specified and directed. |
| 86 | M&L for providing plain cement concrete type B-1, (1:2:4) (using 20mm graded stone aggregate) as in pole coping and the like including weathering, slightly rounded or chamfered angles & throating as directed including necessary form work as requiredcomplete all as specified and directed. |
| 87 | M&L for brickwork with subclass ‘B’ bricks, straight or curved on plan exc 6m mean radius built in cement mortor ( 1:6) complete all as specified and directed. |
| 88 | M&L Brickwork with subclass ‘B’ bricks, straight or curved on plan to any radius in half brick thick walls built in cement mortor (1:4) complete all as specified and directed. |
| 89 | M&L for Steel work in tubular trusses including special shaped washer etc. complete using ERW or induction butt welded tubes conforming to I. S.1161-1979 grade St.-240 complete all as specified and directed. |
| 90 | M&L for Plates (plain or chequered) channels, square cut or notched (ordinary and counter sunk) forming holes, without any attachment with Fe-410 W (Gde-E-250) complete all as specified and directed. |
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