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Tender For Work Services For Undrtaking Emergent Services For Runway Repairs And Repair/Maint Of Cooling Towers, Water Pipelines, Various Valves And Connected Items At Af Stn Hasimara, hasimara-West Bengal

Military Engineer Services-MES has published Tender For Work Services For Undrtaking Emergent Services For Runway Repairs And Repair/Maint Of Cooling Towers, Water Pipelines, Various Valves And Connected Items At Af Stn Hasimara. Submission Date for this Tender is 24-03-2023. Cooling Tower Tenders in hasimara West Bengal. Bidders can get complete Tender details and download the document.




Tender Notice

36622275
Corrigendum : Tender For Work Services For Undrtaking Emergent Services For Runway Repairs And Repair/Maint Of Cooling Towers, Water Pipelines, Various Valves And Connected Items At Af Stn Hasimara
Open Tender
Indian
West Bengal
hasimara
24-03-2023

Tender Details

Work Services For Undrtaking Emergent Services For Runway Repairs And Repair / Maint Of Cooling Towers, Water Pipelines, Various Valves And Connected Items At Af Stn Hasimara

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 20-Mar-2023 CORRIGENDUM TO TENDER Other 24-03-2023

Key Value

Document Fees
INR 500 /-
EMD
INR 60000.0 /-
Tender Value
Refer document

BOQ Items

Nature of Work : WORK SERVICES FOR UNDRTAKING EMERGENT SERVICES FOR RUNWAY REPAIRS ANDREPAIR/MAINT OFCOOLING TOWERS, WATER PIPELINES, VARIOUS VALVES AND CONNECTED ITEMSAT AF STN HASIMARA
Sl. No. Item Description
1M&L for river bed material filling and forming embankment including levelling, spreading in layers n. exc. 15cm thick, watering, ramming/rolling and finished to required gradient, size and shape etc. n. exc. 1.5m above the initial level, complete all as specified and directed. Note : (i) Payment shall be made on solid quantity arrived after consolidation. (ii) Before execution of this item river bed material shall be tested/checked for suitability to use.
2M&L for loose filling with aggregate of broken stone or boulders of gauge 80 to 150mm as in craters formed, complete all as specified and directed.
3Supply only sand for bedding layer 2-3cm thick as per requirement over the broken stone or boulderslayer, complete all as specified and directed.
4Supply only 400 micron HDPE polythene sheet to be spread over the sand bed upto 30cm pavement portion below 20-63mm aggregate layer, complete all as specified and directed.
5M&L for hard core of size 20-63mm broken stone or boulders deposited, spread in layers n. exc. 15cm thickness, watered and rammed to a true surface, complete all as specified and directed.
6T&P for hiring towing tractor including operator and fuel for one day (24 x 1), complete all as specified and directed.
7T&P for hiring water bowser 9KL including operator and fuel for one day (24 x 1), complete all as specified and directed.
8T&P for hiring JCB 4 CX including operator and fuel for one day (24 x 1), complete all as specified and directed.
9T&P for hiring hydra capacity 8 to 12 ton including operator and fuel for one day (24 x 1), complete all as specified and directed.
10T&P for hiring vibratory roller/compactor including operator and fuel for one day (24 x 1) all as directed at site, complete all as specified and directed.
11T&P for hiring tipper 8.5 Cum capacity including operator and fuel for one day (24 x 1), complete all as specified and directed.
12T&P for hiring mobile crane 5/6 ton (hydraulic) including operator and fuel for one day (24 x 1), complete all as specified and directed.
13T&P for hiring fork lift truck (3 ton) including operator and fuel for one day (24 x 1), complete all as specified and directed.
14Semi skilled labour for aligning/cutting/pouring rapigrout cement into the chute of IMDM machine as well as pouring rapigrout mix to the crater already prepared throughout the work for one day, complete all as specified and directed. Note:-(i) The work shall be carried out on requirement basis during the contract period. (ii) The contractor to provide all necessary safety measures)
15Demolition of unreinforced cement concrete in ground floors and pavings not exceeding 15cm thickness, below or above ground level and disposal of unserviceable materials , debris and rubbish to a distance not exceeding 100m, complete all as specified and directed.
16M&L for 75mm thick plain cement concrete (1:4:8) type D-2(using 40mm graded crushed stone aggregate) as in sub base for hard standing etc., complete all as specified and directed.
17M&L for 100 mm thick plain cement concrete (12:4) type B-1(using 20mm graded crushed stone aggregate) as in hard standing etc. (cast in altrnate bay including white wash on adjacent face of hardened concrete after removal of formwork) finished even and smooth without using extra cement etc., complete all as specified and directed.
18Dismantling carefully cracked rigid surface of runway/taxi track patches by using mechanical cutter like diamond cutter, (average depth 15mm), sweeping, cleaning with compressed air blower, removal of all loose particles upto a distance exceeding 250m & n.exc 500m and filling with a mix of epoxy resin and epoxy hardner compound in proportion (2:1), mixed thoroughly with quartz sand and silica powder each in proportion (1.5:4:4) (1.5) part epoxy mixed with 4 parts of quartz sand and 4 parts of silica sand) including applying a coat of epoxy resin on the finished top surfaces all as per manufacturer instructions, complete all as specified and directed. Make -(a) Epoxy Resin : Araldite Gy-257 of make Araldite or equivalent product of make M/s Fosroc Chemical (India) Ltd ,M/S Chowksy Chemicals (Mumbai), M/s Pidilite India Ltd /STP Ltd (b) Epoxy Hardner : Aradur-140 of make Araldite or equivalent product of make M/s Fosroc Chemical (India) Ltd ,M/S Chowksy Chemicals (Mumbai), M/s Pidilite India Ltd/STP Ltd)
19All as per item No. 18 abovebut for each 5 mm thickness or part there of above or below 15mm, complete all as specified and directed.
20M&L for racking of joints/removing of old sealing compound dirt from expansion joint (40mm deep x 10mm wide)and cleaning the joints properly for full depth of PQC and filling with 20mm thick premoulded compressible filler polythylene closed cell type board as specified and applying closed cell, medum density, cross linked polythylene foam backup rod of 25mm dia over filler board, priming top 12mm with approved primer and filling with polyurethane based sealant, applying masking tape on edge of joint to prevent accidental spillage of sealant and removing the masking tape after filling of sealant all as per the direction of manufacturer, complete all as specified and directed. Note : Repair shall be carried out by authorised applicator of the manufacturer.
21M&L for racking of joints/removing of old sealing compound dirt from construction/dummy joint (25mm deep x 10mm wide) cleaning the joints properly by mechanical mean for full depth, filling with closed cell, medum density, cross linked polythylene foam backup rod of 12mm dia for complete width of the joint, priming top 10mm with specified primer and filling with polyurethane based sealant, applying masking tape on edges of joint to prevent accidental spillage of sealant and removing the masking tape after filling of sealant all as per the direction of manufacturer, complete all as sspecified and directed. Note : Repair shall be carried out by authorised applicator of the manufacturer.
22M&L for dismantling of electrical connections, taking down existing cooling tower motor from cooling tower ofcapacity 70 TR and carrying out the repairs by filling metal on the worn out portion of shaft, machining to the standard size of hub, removing the bend, checking the balancing and S&F new cooling tower hub and fan including fixing, testing and commissioning, complete all as specified and directed.
23All as per item No 22 above but 60 TR capacity, complete all as specified and directed.
24All as per item No 22 above but 24 TR capacity, complete all as specified and directed.
25M&L for repair to header of cooling tower of capacity 24 to 70 TRAC plant by replacing rusted nuts, bolts with washers etc including dismantling, complete all as specified and directed.
26Supply and Fix float valve assembly suitable for cooling tower of any size as required, complete all as specified and directed.
27M&L for cleaning ,washing from inside and removing dirt, scalling, fungus and any other foreign material from service water tank of any capacity and of any size for cooling tower, complete all as specified and directed.
28Supply and fix PVC fills complete as per existing sizefor cooling tower (160cm x 200cm) capacity 70 TR, complete all as specified and directed.
29Supply and fix PVC fills complete as per existing sizefor cooling tower (177 cm x 127 cm) capacity 60 TR, complete all as specified and directed.
30Labour only for disconnecting water flow switches, sensors,solenoid valve and other safety devices wire connections, calibration of control panels and safety device of water cooled scroll chiller make Diakin/Voltas including checking of all control wiring of chiller, complete all as specified and directed.
31Supply and fix in repairs of chilled water sensor including control wiringas per existing make and type, complete all as specified and directed.
32Supply and fix in repair wall mounting/hanging type LED digital type temperature/relative humidity indicator with 2" large size display and minimum size (445x130x115mm) with following specifications, complete all as specified and as directed. Display : 2" Red LED x 2 Display Accuracy : + 0.5% Resolution : 0.1 deg C, 0.1 % RH Input : 4-20mA Enclousure : Powder coated metal case Operating Voltage : 230V AC
33Supply and fix in replacement pressure guage capacity of 7 Kg/cm2, 0-300 PSI for AC plant, complete all as specified and directed.
34Dismantling the inlet and outlet connection of water pipe lines, wiremesh all-around the cooling tower, PVC fans, CT fan and motor and incomming connection of electric supply and other related items all as per site requirement, complete all as specified and directed.
35Cleaning the cooling tower by applying wire brush, washing powder and other solvent by removing the deposited impurities such as silt, dust particles mud/sand inside the dome and around the fins, cleaning of base tray and grills, pot stainer, main shaft etc., and other connected items, servicing of fan motor including changing of bearings and greasing refixing the fan, frill and top cover including testing, commissioning after re-assembling upto 35 TR, complete all as specified and directed.
36Material and labour for repairs to condenser of AC plant by blocking the damaged/ corroded tubes involving following activities:- (i) Disconnecting the side covers of the condenser from their existing positions. (ii) Leakage testing of the condenser using pressurised nitrogen gas and finding the leaked tubes. (iii) Blocking the damaged/leaked tubes by brass plugs. (iv) Re-fixing the side covers of the condenser and the condenser valves from their existing positions with new nuts, bolts, rubber gasket and washers etc., and painting the surface with approved shade of synthetic enamel paints (1st grade quality) for upto 24 TR capacity of condenser, complete all as specified and directed.
37All as per item No 36 above but 25 to 60TR capacity, complete all as specified and directed.
38All as per item No 36 above but 61 to 70TR capacity, complete all as specified and directed.
39Supply and fixing in repair CI pot strainer/Y strainer with matching flanges, gasket, hardware of 50mm, complete all as specified and directed.
40Supply and fix in repairs protection caps made out of GI sheet of thickness 1.6mm with three GI strip supports of size 25x3mm for fixing with the cooling tower including GI nuts and bolts or any kind of welding for fixing, complete all as specified and directed.
41Supply and laying MS pipe 50mm bore heavy grade with all fittings laid in floor or fixed to wall, complete all as specified and directed.
42M & L for Insulation of M S Pipe with PUF slab 30mm thick with and including applying bituminuous compound and GI cladding with 26 gauge GI sheet complete on 50mm bore of pipe including dismanlting old worn out cladding,complete all as specified and directed.
43S&F in repair butterfly valves of 50mm dia including connected accessories such as rubber gasket, nuts, bolts etc, complete all as specified and directed.
44Supply and fix rotational moulded polyethylene water storage tanks capacity 2000 Ltrs (cylindrical vertical with closed top) (triple layer) hoisted and fixed in position, including PUF insullation 40mm thick complete and taking down old unserviceable PVC tank, complete all as specified and directed.
45Supply and fix in repair CPVC pipe of size 50mm outer dia laid in trenchesCPVC pipes SDR - 13.5 & plain CPVC SDR 11 fittings including all necessary fittings, like elbow,tee,socket, reducer, bushings, step over bends, end caps, end plugs etc and with CPVC solvent cement including taking down old unserviceable pipes of any description, complete all as specified and directed. Make : Supreme/Eurotech/Astral/SFMC/Finolex
46Supply and fix in repair CPVC pipe of size 25mm outer dia laid in trenchesCPVC pipes SDR - 13.5 & plain CPVC SDR 11 fittings including all necessary fittings,like elbow, tee, socket, reducer, bushings, step over bends, end caps, end plugs etc and with CPVC solvent cement including taking down old unserviceable pipes of any description, complete all as specified and directed. Make : Supreme/Eurotech/Astral/SFMC/Finolex
47Supply and fixing CPVC gate valve both ends suitable for fixing with CPVC pipes of outer dia 50mm and taking down old unserviceable valve, complete all as specified and directed.
48Supply and fixing CPVC gate valve both ends suitable for fixing with CPVC pipes of outer dia 25mm and taking down old unserviceable valve, complete all as specified and directed.
49Excavation in trenches not exc. 1.5m in depth and not exc. 1.5m in width including getting out for laying of pipes etc including forming bottom surface to required level in soft/loose soil, complete all as specified and directed.
50Returning, filling in including spreading, levelling, watering and well ramming in layers not exc. 25cm thick, complete all as specified and directed.
51Removing surplus soil to a distance not exc. 50m and depositingwheredirected at a level not exc. 1.5m high from the starting point, complete all as specified and directed. Note: An amount of Rs.21710.00 on account of credit schedule for schedule "A" part - II shall be deducted from the total amount of BOQ to arrive at the contract sum.
52Supply and fixing energy efficient ‘LED Flood Light120 W LED luminairewith Aluminium dia cast housing, toughened glass cover with IP 66 protection, CCT 5700 K including fixing arrangment on wall/pole / surface and connecting cable up to nearest ceilign rose into flexible PVC conduit. Make : Crompton/Havells/ Surya/Philips
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