Military Engineer Services-MES has published Tender For Repair/Maintenance Of Sewage Network Incl Cleaning Of Manholes And Allied Works At Kv Area And Repair/Maintenance Of Drains Area Drainage And Allied Works In 10 Afh And Comprehensive Maintenance Of Various Earth Pits Of Various Precision Equipm. Submission Date for this Tender is 11-06-2024. Drainage Tenders in hasimara West Bengal. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 30-May-2024 | CORRIGENDUM TO BOQ | BOQ | 11-06-2024 |
| FileName | File Description | File Size |
| 9541c288-bfad-467a-a597-33f53862ff9b.html | Tender Notice | 0 KB |
| Tendernotice_1.pdf | Tender Document | 0 KB |
| Tender8759.pdf | Tender Document | 0 KB |
| BOQ_732342.xls | Tender Document | 0 KB |
| Sl. No. | Item Description |
| 1 | Taking out/bailing out the sludge / semi solid materials/contaminated water including other foreign materials from manholes of various sizes and uptodepth n.exc 1.5mby mechanical means and taking out sludge/ semi solid materials / any other foreign materials from manholes etcand removing the sludge within 50 m distance and deposited in a pit to be excavated and covered withearth filling upto 30cm depth of pit including removing and refixing of manhole covers as required and spreding of bleaching powder to disinfect the area cleaned, complete all as specified and directed. (Note: (i) The cost of Excavation and earth work for pit, temporary barricade of the pit and providing sufficient bleaching powder shall deem to be included in the unit quoted rate (ii) Hiring charges and cost of fuel for sewage pump shall deemed to be included in the unit quoted rate and nothing extra shall be paid in this account) |
| 2 | Taking out/bailing out the sludge / semi solid materials/contaminated water including other foreign materials from manholes of various sizes and uptodepth exc 1.5m but not exc. 3m by mechanical means and taking out sludge/ semi solid materials / any other foreign materials from manholes etcand removing the sludge within 50 m distance and deposited in a pit to be excavated and covered withearth filling upto 30cm depth of pit including removing and refixing of manhole covers as required and spreding of bleaching powder to disinfect the area cleaned, complete all as specified and directed. (Note: (i) The cost of Excavation and earth work for pit, temporary barricade of the pit and providing sufficient bleaching powder shall deem to be included in the unit quoted rate (ii) Hiring charges and cost of fuel for sewage pump shall deemed to be included in the unit quoted rate and nothing extra shall be paid in this account) |
| 3 | Cleaning of blockage in sewage lines / drain pipes of theinternal dia 100mm/150mm/200mmby rodding or by any other suitable means and cleaning the entire line and well flushingbetween the manholes complete all as specified and directed. |
| 4 | Cleaning of blocked WC"s and soil pipes of any dia up to first manhole by rodding or by any other means and well flushing with water the entire line after cleaning complete all as directed. |
| 5 | Cleaning of blocked Floor/gully/nahani trap in bathroom/kitchen/wash basin etcand soil waste pipe of any dia upto gully traps by using rubber hand pump or rodding and opening the eye and making the line clear for smooth function complete all as specified and directed. |
| 6 | Excavation in trenches not exceeding 1.5m wide and not exceeding 1.5m deep for foundation, etc, and getting out in soft/loose soil complete all as specified and directed. |
| 7 | Excavation in trenches not exceeding 1.5m wide and exceeding 1.5m but n.exc. 3m deep for foundation, etc, and getting out in soft/loose soil complete all as specified and directed. |
| 8 | Removing excavated soils to a distance not exceeding 50m and depositing where directed at a level not exceeding 1.5m above the starting point complete all as specified and directed. |
| 9 | Returning filling in including spreading leveling watering and well ramming in layers n.exc 25cm complete all as specified and directed. |
| 10 | Cutting into existing manholes for connecting new drains making good to pipe and rendering cutting out existing benching for and forming branch channel (1/2 round or 3/4 round section) in cement concrete (1:2:4) type B1, smooth finished and reforming benching as required for 100mm dia of pipe complete all as specified and directed. |
| 11 | Cutting into existing manholes for connecting new drains making good to pipe and rendering cutting out existing benching for and forming branch channel (1/2 round or 3/4 round section) in cement concrete (1:2:4) type B1, smooth finished and reforming benching as required for 150mm dia of pipe complete all as specified and directed. |
| 12 | Cutting into existing manholes for connecting new drains making good to pipe and rendering cutting out existing benching for and forming branch channel (1/2 round or 3/4 round section) in cement concrete (1:2:4) type B1, smooth finished and reforming benching as required for 200mm dia of pipe complete all as specified and directed. |
| 13 | Demolition and breaking up 100mm dia drain pipes (salt glazed ware, AC or reinforced concrete set in cement mortar, separation of serviceable materials from the unserviceable, stacking the serviceable materials within 100m and disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100m as directed. |
| 14 | All as per item No.13.00 here-in-before but for 150mm dia pipe complete all as specified and directed. |
| 15 | All as per item No.13.00 here-in-before but for 200mm dia pipe complete all as specified and directed. |
| 16 | M & L for PCC (1:3:6), type C 2, (using 40mm graded crushed stone aggregate) in concrete bed to drain pipes including packing under and haunching against the sides of pipes after they are laid and tested for 100mm bore pipe, complete all as specified and directed. |
| 17 | All as per item No.16.00 here-in-before but for 150mm dia pipe complete all as specified and directed. |
| 18 | All as per item No.16.00 here-in-before but for 200mm dia pipe complete all as specified and directed. |
| 19 | S&F 100mm bore reinforced concrete pipes, class NP3 laid and jointed complete with collar, complete all as specified and directed. |
| 20 | All as per item No.19.00 here-in-before but for 150mm bore, complete all as specified and directed. |
| 21 | All as per item No.19.00 here-in-before but for 200mm bore complete all as specified and directed. |
| 22 | Demolition of brick work or stone/ boulder masonry, built in cement mortar including all quoins, pillars, manholes etc., separation of serviceable materials from the unserviceable, stacking the serviceable materials within 100m and disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100m, complete all as specified and directed. |
| 23 | M & L for brick work with sub-class ‘B" bricks, straight or curved on plan exceeding 6m mean radius, built in cement mortar (1:4), complete all as specified and directed. |
| 24 | All as per item No. 23.00 here-in-before but except bricks, complete all as specified and directed. Note-(a) Brick shall be obtained from demolition shall be re-used. (b) The quoted rate shall deemed to be included for cleaning of old bricks obtained from demolition. |
| 25 | M & L PCC type B-1 (1:2:4) type B-1 (using 12.5mm graded crushed stone aggregate) cast in situ in copings, bed plates, water troughs and the like including weathering, slightly rounded or chamfered angles and throating as directed including use and waste of form work complete all as specified and directed. |
| 26 | Taking down cement plaster on brick or stone walls, etc., including raking out joints, hacking for key, scrubbing down with water, etc., complete all as specified and directed. |
| 27 | M & L for rendering 15mm thick on fair faces of brick work or concrete surfaces in cement mortar (1:4) andfinished even and smooth without using extra cement including mixing of water proofing compound wherever required as per manufacturers instructions, complete all as specified and directed. (Note:- WPC shall be measured & paid separately). |
| 28 | M & L for preparing newly plastered surfaces of walls and applying three coats of white wash, complete all as specified and directed. |
| 29 | Supply only integral water proofing compound of approved quality, complete all as directed. |
| 30 | Demolition of reinforced cement concrete of any description and in any position, disposal of unserviceable materials, debris and rubbish to a distance not exceeding 100m, complete all as specified and directed. (Note:- Reinforcement shall be cut as required to facilitate demolition.) |
| 31 | M & L for precast RCC (1:2:4), type B-1 (using 20mm graded crushed stone aggregate) as in cover slabs (for manholes etc) and similar articles with plain faces and set in cement mortar (1:4), complete all as specified and directed. |
| 32 | S & F mild steel TMT bars 6mm to 8mm dia (Grade Fe-500D), cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with mild steel wire (annealed) not less than 0.9mm dia., or securing with clips, complete all as specified and directed. |
| 33 | S & F CP grating 125mm dia with waste hole of PTMT (minimum weight40 grams), complete all as specified and directed. |
| 34 | Taking down soil/ waste vent and rain water pipes including all fittings of any size and pattern in any position, complete all as specified and directed. |
| 35 | S & F 110mm bore PVC (SWR) pipe, single socketed in any length with rubber ring joints, fixed to walls, complete all as specified and as directed. |
| 36 | All as per item No 35.00 here-in-beforebut except pipes (serviceable pipes obtain from item No 35 will be re-used),complete as specified and directed. |
| 37 | S & F 75mm bore PVC (SWR) pipe, single socketed in any length with rubber ring joints, fixed to walls, complete all as specified and as directed. |
| 38 | All as per item No 37.00 here-in before but except pipes (serviceable pipes obtain from item No 45 will be re-used)complete as specified and directed. |
| 39 | S & F 110 mm bore PVC (SWR) bends of any radius with access doorcomplete all as specified and directed. |
| 40 | S & F 75 mm bore PVC (SWR) bends of any radius with access doorcomplete all as specified and directed. |
| 41 | S & F 110 mm bore PVC (SWR) junction single (Single `T") equal o unequal with access doorcomplete all as specified and directed. |
| 42 | S & F 110 mm bore PVC (SWR) junction single (Single `Y") equal or unequal with access doorcomplete all as specified and directed. |
| 43 | S & Fin repairs, PVC (SWR) 75mm dia, floor trap, plain with grating including jointing to waste pipe with solvent cementcomplete all as specified and directed. |
| 44 | Demolition of cement concrete of any description and in any position not otherwise specifically provided for complete all as specified and directed |
| 45 | M&L for PCC (1:2:4) type B1 (using 20 mm graded stone aggregate) as in foundation, filling and mass concrete complete all as specified and as directed. |
| 46 | M & L for PCC (1:2:4) type B1 (using 20mm graded crushed stone aggregate) as in surface channel or drains including necessary form work, complete all as specified and as directed |
| 47 | M & L for extra for forming fair finished drain or channel 30cm inner girth in cement concrete using extra cement including forms moulds,mitred/stopped ends etc, complete all as specified and as directed |
| 48 | Dismantling brick or brick tiles laid bedded and pointed in any type of mortar, complete all as specified and as directed |
| 49 | M&L flyash bricks, sub class B, laid on edge and bedded and jointed in cement mortar (1:6) and pointed in cement mortar (1:3) in drains, channels, kerbs etc using old size bricks, complete all as specified and as directed. |
| 50 | M&L flyash bricks, sub class B bricks, laid flat and bedded and jointed in cement mortar (1:6) and pointed in cement mortar (1:3) in drains, channels, kerbs etc. using old size bricks. |
| 51 | All as per item No 50.00 here-in before but except bricks, complete all as specified and as directed. |
| 52 | Racking out joints/pointing to brick work in drain surface chanels etc built in cement mortar, complete all as specified and as directed. |
| 53 | M&L for keyed pointing to brick surfaces in CM (1:4), complete all as specified and as directed. |
| 54 | M&L for dismantling the strip from earth pit and testing of earth pit to be done as per fall of potential method mentioned in IS-3043 with digital earth resistance tester to check the healthiness of earthing system in and including replacement earth pit nut bolts with brass nut bolts as per required size and record should be kept on ledger duly signed by user representative, JE concerned and contractor and the same shall be submitted to Engr- in-charge for counter signature, complete all as specified and directed. Note : (i) Testing of earth pit shall be done as and when required basis or as directed by Engineer-in-Charge from time to time. (ii) Testing of each earthing shall be carried out at the interval of 1 months and measurement shall be done each time separately and test result shall be maintained in register properly duly signed with date by MES representative and contractor jointly. (iii) Pouring of water in each earth pit is deemed to be included in the unit quoted rate. (iv) Necessary arrangement to be made by the contractor for pouring the water in earth pits. Vehicle reqd for carrying/storage of water (upto to the site) with helper will be arranged by contractor and deemed to be included in the unit quoted rate. (v) Cost of Maintenance of carrying vehicle (if any) and cost of fuel reqd for veh is deemed to be included in the unit quoted rate. |
| 55 | Physical inspection for earthing and to check the healthiness of earthing system whether the resistance under safe limits of resistance, IF higher than the permissible then recharging of earthing should be done immediately with carbon based low resistivity compound of 0.001 ohm meter recharging of existing earth pit by excavating soil up to electrode depth approx 10 feet by manual drilling (post hole) method and filling with backfill compound / maintenance free earthing compound to achieve desired resistance value less than 1 ohms in and including water up to top of the excavated bore, backfilling of earth pit, measuring the value after refilling pit and testing of earthing after recharging, reconnecting grounding electrode conductor and earth grid applying petroleum jelly etc. to bolted joints to minimize corrosion for the pipe earthing or plate earthing then gel should be used to lower down the resistance, complete all as specified and as directed. Note: (i) In case of satisfactory results not achieved or results degrade during one year of recharging of the earthing, the same shall be made good/recharged again in order to have required test results within contract/Defect liability period without any extra cost to the department. (ii) Necessary compound required for recharging shall be measured and paid separately as "Supply only". |
| 56 | Supply only carbon based low resistivity compound 0.001 ohm meter, backfill compound, complete all as specified and directed. |
| 57 | S&F new polymer earth housing pit manufactured from heavy duty polypropylene material with sign board, triangular shape, making connection of earth strip including minor adjustment including dismantling of old existing PCC earth pit with cover, complete all as specified and directed. |
| 58 | M&L for earthing of machinery/equipment installed at power house/Sub Stn/ DBcomplete with steel earth plate electrode 60 × 60cm × 6mm thick , buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less"than 1.5 metres below normal ground level, connected to existing earth leadstripby means of bolts, nuts, check nuts and washers of brass or HS steel all as shown in electrical plate No. 3 connected to earthing test point and and necessary excavation and earth work PCC (1:2:6) type C-1 with suitable size of CI cover plate with angle iron frame and opening arrangement ) incl providing charcoal or coke and common salt in alternate layer of 15cm compacted thickness all aroundthe earth electrode with funnel and 20mm bore galvanized iron watering pipe (light grade) wire mesh, copper lugs, complete in all respect,including galvanised earth lead wire 4.0mm, 40mm bore (medium grade) galvanized iron pipe up to earthing test point as directed, incl disposal of spoil to a distance not exc 50 mtr and necessary testing on completion including taking down/dismantling of old unserviceable earthing of any description, complete all as specified and as directed. Note : Earth lead strip/wire beyond 7.5 mtr shall be measured and paid separately. |
| 59 | M&L for earthing of machinery/equipment installed at power house/Sub Stn/ DBcomplete with GI earth plate electrode 60 × 60cm × 6mm thick , buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less"than 1.5 metres below normal ground level, connected to existing earth leadstripby means of bolts, nuts, check nuts and washers of brass or HS steel all as shown in electrical plate No. 3 connected to earthing test point and and necessary excavation and earth work PCC (1:2:6) type C-1 with suitable size of CI cover plate with angle iron frame and opening arrangement ) incl providing charcoal or coke and common salt in alternate layer of 15cm compacted thickness all aroundthe earth electrode with funnel and 20mm bore galvanized iron watering pipe (light grade) wire mesh, copper lugs, complete in all respect, including galvanised iron earth strip 32 x 6mm, 40mm bore (medium grade) galvanized iron pipe up to earthing test point as directed, incl disposal of spoil to a distance not exc 50 mtr and necessary testing on completion including taking down/dismantling of old unserviceable earthing of any description, complete all as specified and as directed. Note : (i) Proper earthing pit should be provided with pit cover. (ii) GI earth strip upto 7.5m is demed included in the unit rate. |
| 60 | M&L for earthing of equipment complete with copper earth plate electrode 60 x 60cm.× 3.15mm thick, buried directly in ground (earth pit not less than 2.25 metres deep below ground level) with top edge of the plate not less"than 1.5 metres below normal ground level, connected to existing earth leadstripby means of bolts, nuts, check nuts and washers of brass or HS steel all as shown in electrical plate No. 3 connected to earthing test point and and necessary excavation and earth work PCC (1:2:6) type C-1 with suitable size of CI cover plate with angle iron frame and opening arrangement ) incl providing charcoal or coke and common salt in alternate layer of 15cm compacted thickness all aroundthe earth electrode with funnel and 20mm bore galvanized iron watering pipe (light grade) wire mesh, copper lugs, complete in all respect,including copper earth strip 20 x 3.15mm, 40mm bore (medium grade) galvanized iron pipe up to earthing test point as directed, incl disposal of soil to a distance not exc 50 mtr and necessary testing on completion including taking down/dismantling of old unserviceable earthing of any description, complete all as specified and directed. Note : (i) Earth result after installation completely should be less than 5 Ohm. (ii) Copper earth strip beyond 7.5m shall be measured and paid separately under appropriate item. |
| 61 | All as per item No 60.00 here-in before but using magnesium-sulphate in lieu of common solt, complete all as specified and as directed. |
| 62 | All as per item No 60.00 here-in before but using copper-sulphate in lieu of common solt, complete all as specified and as directed. |
| 63 | Supply and installation of maintenance free earthing system comprises of molecularly bonded copper of 99.9% purity on low carbon steel of 3 m length, having a diameter of 25 mm with copper coating thickness of 250 microns with fault current withstand capability of 30 KA value of 1 second and I peak of 80 KA (OB0 Article type 25 3000 CCER), tested as per IEC 62561-2, meets the requirement of IS-3043 8 IEC 60364-5-54, tested in CPRI for short circuit with standing capacity, OBO article type OEC 25 Earth conductivity enhancing mineral compound to be used as a backfill compound for earth electrodes; highly conductive in all weather Conditions is used for improving the soil conductivity. The material shall be mineral inert to sub soil and shall not pollute the environment and non corrosive to earth rod. The material should have a resistivity less than 0.2 ohm -m. It should be free from hazardous substances. The mineral compound is required to have minimum 25 kg of the total composite, Universal clamp (OBO Article Type 25 25 RTC) made of SS 304 for clamping, Polypropylene & polyethylene (0BO type UFE) Earth electrod inspection chamber with heavy duty cover should be used to cover the earth rod. The dimension shall be 170mm x 170 mm x 190 mm with all weight bearing capacity of 50 KN. including provision and laying galvanized steel flat 30 x 3mm thick from earth electrode to test joint directly in ground as required (Hot dip GI strip, Corrosions resistant -cross sectional area of 90 mm square, as per DIN EN 50164-2 (VDE 0185 Part 202) & VDE0185/305, IEC 62305, Zinc coating: 500 g/m square, 70 micron coating, complete all as specified and directed. Note: Earth result after installation completely should be less than 1 Ohm. |
| 64 | S&F in repair 32x6mm Gl strip in short pieces on surface or in recess for interconnecting, complete all as specified and directed. |
| 65 | All as per item No 64.00 here-in before but copper strip 20 x 3.15mm, complete all as specified and as directed. |
| 66 | All as per item No 64.00 here-in before but copper strip 32 x 6mm, complete all as specified and as directed. |
| 67 | All as per item No 64.00 here-in before but galvanised wire 4 mm dia, complete all as specified and as directed. |
| 68 | S&F in repair HDPE pipes 40mm bore of pressure rating 6 kgf/cm2 laid in trenches or fixed to walls and ceilings by MS iron clamp nuts bolts etc, with all fitting and fixed complete all as specified and directed. |
| 69 | All as per item No 68.00 here-in before but 15mm bore, complete all as specified and as directed. |
| 70 | S&F porcelain vitreous white/brown/green spacers insulator of size 75mmx35mmx40mm height complete with one number galvanized iron stud bolts 6mm dia x 40mm long including nut & washers and two number galvanized iron fixing bolts of size 6mm dia and 50mm long including washers and drilling holes for holding/foxing aluminium strip/roof conductor as required including taking down the broken insulator, complete all as specified and as directed. |
| 71 | M& L for test point terminal block made of gun metal or phosphorus bronze size 75 x 75 x 25mm drilled and screwed including 3 Nos. 8mm dia, 25mm long hexagonal head screw, complete all as specified and directed. |
| 72 | M &L for eathing pit in PCC (1:3:6) type C1 pre-cast RCC (1:2:4) type B-1 cover slab of size 300 x 300 x 50mm reinforced with 8mm dia TMT steel bars @ 15 cm center to center in both direction and 10mm dia MS handle of suitable size including 29 mm bore GI light grade pipe for watering, funnel, wire mesh, necessary earth work in soft / loose soil all as shown in Electrical plate No 4 of MES schedule Part -I and testing and applying three coats of white wash on exposed surface of concrete complete including taking down old one, complete all as specified and directed. |
| 73 | M & L for brazing of copper strip including removing of nut, bolt, washer, etc and connecting with equipment directly from earthing, complete all as specified and directed. |
| 74 | M & L for painting of earth pit by applying two coats of synthetic enamel paint (approved colour), over a coat of primer including cleaning of earth chamber area (1m x 1m), cleaning of all rusted joints and preparation of surfaces, complete all as specified and directed. |
| 75 | Note: An amount of Rs.67,630.00 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. |
| 76 | Supply 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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