Military Engineer Services-MES has published Additional / Alternator To Bldg P 270 At Dcn Kochi And Provn Of Lightning Arrestor Strips In Bldg 5 And 7 At Cnams At Naval Base Kochi Under Ge Nw Kochi As Per Boq And Tender Document. Submission Date for this Tender is 20-07-2022. Lightning Arrester Tenders in kochi Kerala. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 13-Jul-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 20-07-2022 |
| Sl. No. | Item Description |
| 1 | B/R WORKS Dismantling of plain/ corrugated steel sheeting, any gauge, thickness including roof/ cladding/ wall covering, complete all as specified and directed. |
| 2 | Dismantling structural steel members such as channels, angle iron flat etc. and steel sections of any description, including doors & gates but excluding framed trusses, by gas cutting or other means all as specified and directed. |
| 3 | S&F MS rolled section such as ‘C’ channel angles flat iron fixed with bolt or nut or welded confirmed to Fe-410 W (gde-250) quality B as in hangar doors complete all as specified and as directed. |
| 4 | S&F Pre- painted galvalume roofing system aluminium zinc coating GI based corrugated steel sheet 0.50 mm total thick, of any colour having tensile strength of 550 Mpa as in roof covering/ cladding to wall, fixed with self tapping screws, shall be continuous with no joints, complete all as specified and directed. |
| 5 | S&F Pre- painted galvalume aluminium zinc coating GI based plain steel sheet0.50 mm total thick, of any colour having tensile strength of 550 Mpa as in roofs/ walls/ eaves boards, gutters and ridges fixed with self tapping screws, complete all as specified and directed. |
| 6 | M&L for preparation of new steel surfaces of any description, over 10cm in width or girth, not otherwise described and applying two coats of anti corrosive Epoxy Paint over a coat of Epoxy primer, at any height, complete all as specified and as directed. |
| 7 | M&L for complete removal of old steel paint surfaces of any description over 10 cm in width or girth not otherwise described and applying two coats of epoxy paint over a coat of epoxy primer at any height all as specified & as directed by the Engineer in Charge. |
| 8 | S&F in repairs, PVC rain water pipes, 110mm dia. including bend, elbow, iron brackets for fixing etc., complete all as specified and directed. |
| 9 | M&L for 4mm thick Non asbestos fibre cement building boards fixed or laid/ inserted to timber/ GI/ Aluminium framework with screws in ceiling including anodised Aluminium snap grid of size 605mm x 605mm and GI hangers 6mm dia. upto 1200 mm length, including Dismantling Wall and ceiling boards (fibre, pulp, insulation, etc.) or insulation boards/ slabs/ blankets, any thickness, including cover fillets complete all as specified and as directed. |
| 10 | M&L complete removal of existing treatment of wall using water jet, mechanical grinders including rubbing, washing down with water etc. and applying two coats of oil emulsion distemper over a coat of primer after preparing the surfaces all as specified and directed. |
| 11 | M&L for making dry, even and clean RCC surfaces and checking for soundness, removal of oil, dirt, laitance and other contaminants manually and finishing surface fairly smooth, chamfering the floor wall junctions with Cement Mortar 1:4, admixed with Nitobond SBR or equivalent @ 1litre per 50Kg bag of cement. The procedure also includes:- |
| 12 | (i) Taking down rain water pipe and packing space in between, using Conbextra GP2 or equivalent mixed with water and filling as per manufacturer’s specifications. (ii)Providing and applying water proofing coating using Fosroc Nitoproof 600 or equivalent, over dry surfaces and 1.5mm thick with 2coats, with interval period of 6 hours over substrate at a coverage rate of 2Kg/ Sqm using spray/ squeegee/ roller/ brush. Water proofing coating shall have the elongation of 500-700% (ASTM D412-90), tear resistance of 21 KN/m (ASTM D624-00) and tensile strength of >1.9N/nm2 (ASTM D412-90). (iii) Termination to be done on wall extending the coating to min 300mm height above the finalized floor level as per vendor recommendation. (iv) Laying 200gsm non-woven geo textile membrane over Nitoproof 600 coating with overlap sealed before providing screed concrete. (v) Screed to Slope : Providing, batching, mixing transporting through transit mixers, pumping and laying controlled screed concrete of M20 Grade of average 75mm thickness with a minimum thickness of 50mm at drain points and slope of 1:150 or required as per the site condition at all levels by admixing necessary admixtures, Conplast WL or equivalent @ 150ml per bag of cement and mixing graded fibrillated 100% Virgin Poly Propylene fibers in concrete at the rate of 0.90 Kg/ Cum as per manufacture’s specification. (vi) Treatment to continue along the vertical surfaces upto 300mm height. The joint shall be treated with elastomeric sealants Nitoseal PU 40 or equivalent. |
| 13 | M&L for Mangalore pattern roof tiles interlocking at side joints laid dry, overcement screed in Cement Mortar 1:4 bands of 40mm x 30mm (thick) for laying MP tiles over the roof and preparing of new MP tiled surface and applying two coats of Tile Guard (Asian:Apex Tile Guard), including Dismantling single layer Mangalore pattern roofing tiles & ridges, complete all as specified and as directed. |
| 14 | M&L for ridge or hip tiles to suit Mangalore pattern of roofing tiles, bedded and jointed in Cement Mortar 1:6, complete all as specified and directed. |
| 15 | M & L for precast cement concrete block masonry with solid blocks of cement concrete 1:3:6, Type C-1, (using 20 mm graded stone aggregate) exceeding 10cm width and setting in Cement Mortar 1:6, complete all as specified and directed. |
| 16 | M&L for providing precast cement concrete 1:3:6, Type C-1, (using 20 mm graded stone aggregate) solid building blocks or slabs 10cm thick (with plain or interlocking joints) setting in cement mortar 1:6, in walls, complete all as specified and directed. |
| 17 | M&L 15 mm thick rendering on fair faces in Cement Mortar 1:6 on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement, complete all as specified and directed. |
| 18 | S&F AluminiumAngle (L) of size 50mm x 50mm x 3mm in steps for avoiding cracks, complete all as specified and as directed. |
| 19 | Demolition of reinforced cement concrete of any description and in any position, complete all as specified and directed. |
| 20 | Excavating in trenches, not exceeding 1.5m wide and not exceeding 1.5m in depth; for foundation etc. or for shafts, wells, cesspits, manholes, pier holes, etc. not exceeding 10 Sqm on plan and not exceeding 1.5m in depth and getting out in soft /loose soil, complete all as specified and directed. |
| 21 | M&L plain cement concrete 1:4:8, Type D-2, using 40 mm graded stone aggregate in foundations, filling and mass concrete, complete all as specified and directed. |
| 22 | Use and waste of form work to sides of concrete foundations, footings, bases of columns, raft and raft beams, sides and soffits (if any) of foundation and plinth beams; and similar work; vertical or to batter, complete all as specified and as directed. |
| 23 | M&L for reinforced cement concrete 1:2:4, Type B-1 (20mm graded aggregate) in foundations, including rafts, footings, foundation beams; plinth beams; bases for columns, etc.; basement slabs, under-reamed piles and mass concrete complete in all as specified and as directed. |
| 24 | Removing excavated material not exceeding 50m and depositing where directed at a level not exceeding 1.50m above the starting point, complete all as specified and directed. |
| 25 | Returning filling in, including spreading levelling watering and well ramming in layers not exceeding 15cm thick complete all as specified and directed. |
| 26 | M&L for formwork to sides of pillars, posts, struts, piers, columns etc. all as specified and directed. |
| 27 | M & L for reinforced cement concrete 1:2:4, Type B-1 (20mm graded aggregate) in columns etc.; complete all as specified and directed. |
| 28 | M&L 15 mm thick rendering in Cement Mortar 1:6 on fair faces of brick work or concrete surfaces finished even and smooth without using extra cement with and including WPC, complete all as specified and directed. Note: WPC shall be mesured and paid separately. dosage of WPC shall be as per manufacturer"s instructions. |
| 29 | Supply only liquid water proofing compound, all as specified and directed. |
| 30 | M&L for preparing new plastered external surfaces for preparation of surface and applying two coats of Antifungal Weather Proof Paint, (Asian Ultima Protek)over a coat of suitable primer, over 3mm thick wall care putty in three layers, complete all as specified and as directed by Engineer in Charge. Note: Application of paint, primer and wall care putty shall be as per manufacturer"s instruction. |
| 31 | S&F Joist, channel, angle, or tee sections, fixed independently, without connecting plates etc. (cut to ordinary lengths i.e., within 20mm of the length indicated) Fe 290 Gde E-165, complete all as specified and as directed |
| 32 | S&F framed work such as grills, gratings etc. with ends of bars shouldered and/ or riveted, or forged into spikes; framed guard bars; barred iron doors; ladders; framed balusters; walk ways; railings; framework of water tanks and similar work conforming to Fe.290.Gde-E-165and hung as gates, including pintle hinges, stops, hand-made sliding bolts included for ornamental and intricate design etc.,complete all as specified and as directed. |
| 33 | M&L for providing cement concrete 1:2:4, Type B-1 (20 mm graded stone aggregate, rounded or chamfered on edges in lintels upto 1.5m clear span, cills, steps; seismic and other similar bands, plinth courses, string courses, lacing courses, parapets and railings upto 60 cm in height, copings, kneelers, apex stones, bed plates, kerbs, water troughs and the like including weathering, slightly rounded or chamfered angles and throating, as directed in slabs supported on walls, beams and columns in floors, roofs, landings, balconies, canopies, deck slabs and in kitchen shelves and the like beams, cantilevers, lintel etc. complete all as specified and as directed |
| 34 | Mild steel TMT bars, 10mm dia. and over, cut to length, bent to shape required, including cranking, bending spirally for hooping for columns, hooking ends and binding with and including mild steel wire (annealed) not less than 0.9mm dia or securing with clips quality conforming to Fe-410-W (Gde E 250) Quality Aor Fe-290 (Gde E-165), complete all as specified and as directed. |
| 35 | S&F TMT bars, 5mm dia. and over upto and including 10mm dia. in stirrups, spacers and binders, complete all as specified and as directed. |
| 36 | M&L for Mini Mangalore pattern interlocking roof tile laid with 10mm thick screed bed in Cement Mortar 1:4, complete all as specified and as directed. |
| 37 | M&L for 20mm thick granite (of any type) work with pattern (table rubbed and polished) in steps, jambs, pillars, window cills, cooking platforms and the like in 15mm thick cement mortar 1:4, including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite, complete all as specified and directed. |
| 38 | Demolition of brick work built in cement mortar, complete all as specified and directed. |
| 39 | Removing excavated material exceeding 200m and not exceeding 250m and depositing where directed at a level not exceeding 1.5m above starting point, complete all as specified and directed. |
| 40 | M&L precast reinforced cement concrete 1:2:4, Type B-1 using 20mm graded stone aggregate as in cover slabs, set in cement mortar 1:4, complete all as specified and directed. Note : Steel reinforcement will be measured separately. |
| 41 | M&L plain cement concrete 1:3:6, Type C-1 using 20mm graded stone aggregates as in coping, including necessary form work, complete all as specified and directed. |
| 42 | S&F mild steel TMT bars, 6mm to 8mm dia.cut to length, bend to shape required including cranking, bending spirally or hooping for column, hooking ends and binding with mild steel wire annealed not less than 0.9mm dia., complete all as specified and directed. |
| 43 | M&L rendering 15 mm thick on brick or concrete surfaces in Cement Mortar 1:4, finished even and smooth (without using extra cement), complete all as specified and directed. |
| 44 | Extra for forming fair finished drain or channel having 30cm inner girth in cement concrete, using extra cement, including forms, moulds, mitred/ stopped ends etc., complete all as specified and directed. |
| 45 | S&F for Stairs (framed) including stringers, treads, landing, balusters, hand rails etc. including cleats, brackets, etc. conforming to Fe-410W(Grade E 250) quality B and including necessary welding, cutting, wastage all as specified & as directed by the Engineer in Charge. |
| 46 | M&L for preparing old steel surfaces of any description over 10cm in width or girth not otherwise described and applying two coats of anti-corrosive paint , all as specified including all necessary scaffolding work upto 10 m height & as directed by Engineer in Charge. |
| 47 | INTERNAL ELECTRIC SUPPLY M&L for point wiring with 1.5 Sqmm PVC insulated unsheathed FRLS multistranded single core copper conductor cable in PVC concealed conduit rigid non metallic on wall except beam, column and RCC roof and chases cutting including 1.6 mm thick MS sheet pressed terminal box (recessed) with 3mm thick PVC laminated sheet top cover for accommodating switches socket regulators etc. incl 1.5 Sqmm PVC insulated copper conductor as earth continuity wire for one light point controlled by 1 one way switch 5 Amp |
| 48 | All as per Item No. 46 above but for one 5 pin 5 amps socket outlet and independent board. |
| 49 | All as per Item No 46 here in before, but using 2.5 Sqmm copper conductor cable (multistranded) PVC insulated FRLSH and unsheathed cable and 2.5 Sqmm copper conductor cable (multistranded) PVC insulated FRLSH and unsheathed cable earthwire with terminal box of suitable size of modular switch & socket for one 6 pin 15 Amp socket outlet point on independent board complete all as specified. |
| 50 | S&F switch piano flush type 5 Amps one way all as specified and directed. |
| 51 | S&F S/S combination 5 pin 5 Amps flush type all as specified and directed. |
| 52 | S&F S/S combination 5 pin 15 Amps flush type multi purpose all as specified and directed. |
| 53 | S&F ceiling rose surface bakelite 65mm x 20mm 3 terminals all as specified and directed. |
| 54 | Supply & Fixing Regal Batten for LED tube lights both side connection type and LED tube rod 1 x 20 Watt both side connection all as specified and as directed. Make : Havells Cat Part No. REGALBATTENT8UPTO1X22WSSBSWH & LED rod CRYSTAL1213T8DSTL20WLED865SGLASS or Philips/ Crompton |
| 55 | Supply only wall mounted fan of size 300 mm sweep AC single phase 230 / 240 V all as specified and directed. Make : D"zire HS of Havells / Usha / V Guard |
| 56 | S&F sheet metal enclosure for DBs and MCBs to be used double door type, 4 way with 200 Amps rated bus bar of 240 Volts single phase all as specified and directed. |
| 57 | S&F MCB "B" curve 16 Amp SPN 240 Volts all as specified and directed. Make : L&T Cat Part No. BB20160B or Schneider / Legrand |
| 58 | S&F MCB "B" curve SP 6 to 16 Amps, 240 Volts all as specified and directed. Make : L&T Cat Part No. BB10060B to BB10320B or Schneider / Legrand |
| 59 | M&L sub main wiring with 2 single core 4 Sqmm PVC insulated unsheathed multistranded copper conductor cable 1100 volt grade drawn through and including PVC rigid conduit concealed wiring including necessary PVC conduit specials including chases cutting complete except beam and RCC roof and one run of 4 Sqmm PVC insulated unsheathed single core 1100 volts grade multistranded copper conductor cable as earth continuity conduto9r and connecting with suitable size thimble complete all as specified and as directed. Note: Two run of 4 Sqmm size PVC cable, one run of 4 Sqmm size PVC cable as earth wire and one run of PVC conduit shall be measured as one unit length. |
| 60 | M&L for point wiring with 4.0 Sqmm PVC insulated unsheathed FRLS multistranded single core copper conductor cable in PVC concealed conduit rigid non metallic on wall except beam, column and RCC roof and chases cutting including2 mm thick MS sheet pressed terminal box (recessed) with 3mm thick laminated hylem top cover including 4.0 Sqmm PVC insulated copper conductor earth continuity wire for one 6 Pin 16 Amps Socket outlet independent board. |
| 61 | S&F S/S combination 2in1, 3 pin 5&15 Amps flush type universal all as specified and directed. |
| 62 | S&F Air termination single pointed aluminium rod 12 mm dia. and 300 mm long complete all as specified and as directed. |
| 63 | S&F test point terminal block made of gun metal or phosphorus bronze size 75mm x 75mm x 25mm, and screwed including 3 Nos 8 mm dia 25 mm long hexagonal head screw including PVC junction boxcomplete all as specified and as directed. |
| 64 | S&F aluminium strip 25mm x 3 mm with saddles, insulators and fixing screws etc. for roof conductors and down conductors on walls/ above ground complete all as specified and as directed. |
| 65 | M&L earthing complete with galvanised steel earth plate electrode 60cm x 60cm x 6 mm thick, buried directly in ground (earth pit not less than 2.25 meter deep below ground level) with top edge of plate not less than 1.5 meters below normal ground level, connected to GI earth strip 32x6 mm as earth lead7.5 metres by means of bolts, nuts and washers of galvanised steel all as shown in electrical plate No. 3 connected to earthing test point, completeall as specified andindicated including testing on completion. Note : The rate is deemed to be inclusive of the cost of complete earth work in any type of soil. PCC 1:3:6 Type C-1 for chamber, RCC 1:2:4 Type B-1 for cover slab 50 mm thick, reinforcement 8 mm CTD bars @ 100 mm c/c both way, necessary form work, handle, charcoal dust 20mm dia GI med grade forwatering and 40mm dia GI med grade earth lead protection pipes with funnel and wire mesh including taking down old one complete all as specified and as directed. |
| 66 | INTERNAL WATER SUPPLY Supply and fixing on wall/ floor/ ceiling/ concealed in wall high pressure CPVC 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 solvents cements of size 20 mm dia. all as specified and directed. Make : Supreme/ Eurotech/ Astral/ SFMC |
| 67 | M&L for CPVC Ball Valve of following sizes suitable for CPVC pipe including necessary fittings of size 20 mm dia., complete all specified and directed. Make : Supreme/ Eurotech/ Astral, SFMC |
| 68 | Supply and fixing Bib cock, CP quarter turn with flange and aerator, fancy type short body cast copper alloy with crutch or butterfly handle screwed for GI/ CPVC pipe of size 15 mm and taking down old, complete all as specified and as directed by the Engineer in Charge. Make : Cera Model No. F2004151 or Prayag/ Hindware/ Jaquar |
| 69 | Supply and fixing PVC Connection pipe, 16mm dia. (outer 450mm long cold water with brass union on both sides to suit 15mm GI pipe, complete all as specified and as directed by the Engineer in Charge. |
| 70 | Supply and fixing Sink cock table mounted with 170 mm long swivel spout for fixing accessories for CPVC pipe complete specified and as directed by the Engineer-in-Charge. Make : Cera Model No. F2004301 or Prayag/ Hindware/ Jaquar |
| 71 | EXTERNAL ELECTRIC SUPPLY Supply and laying in ground/ fixed on wall, open or concealed/passing through Duct or GI Pipe , XLPE insulated galvanized steel trip or wire armoured electric power cable with stranded aluminium conductor of size 10 Sq mm 2 core complete all as specified and directed. |
| 72 | Sand cushioning and covering of UG cable using crushed metal sand in trenches for cable protection all as specified and directed. |
| 73 | M&L for brick, well burn Class ‘B’ as cover to U/G cable, laid dry flat over the cable with width equal to length of the cable and abutting each other with gap with adjacent slab not exceeding 10mm over underground cable for cable protection in trenches all as specified and directed by Engineer in Charge. |
| 74 | Cutting existing rod/ hardstand of any type by using crow bar chisel etc. not exceeding 45 cm wide not exceeding 1.5 meter depth for laying GI pipe including marking good the surface by returning filling watering ramming in layers 150 mm thick PCC 1:2:4 over 200mm thick hard core of broken bricks /stones over returning filling, watering, ramming in layers not exceeding 25 cm thick complete all as specified and directed by Engineer in Charge. Note : GI pipe will be measured and paid separately. |
| 75 | Supply and lay in trenches/ fixed on walls/ poles, GI tubing medium grade with all fittings of 50 mm bore, complete all as specified and directed. |
| 76 | S&F LED flood light 50W, green colour with PDC housing, frame, toughened glass & IP 65 protection light all as specified and directed. Make : Crompton/ Luker/ Havells equivalent. |
| 77 | Supply and fixing LED post top lantern, die-cast aluminium spigot for mounting LED driver and spun aluminium canopy which is painted white inside, epoxy powder coated matt black finish after phosphochromate treatment and light source of High efficiency long life LED module with SMD LED package mounted on MCP CB and viewing angle of 116 degree suitable for mounting with OD of 70mm max with 3 Nos hexa screw etc of capacity 25 watts complete all as specified and directed. Make : Havells Cat Part No RUBYPI25WLED/757PSYMTOPC or equivalent in Crompton/ Bajaj. |
| 78 | Providing cement concrete 1:3:6, Type C-2 (using 40mm graded crushed stone aggregate) as in bed plates, coping and including weathering, slightly rounded or chamfered angles and throating and providing form work for rough finished surfaces and finishing all exposed surfaces of concrete complete all as specified and as directed. |
| 79 | Supply and fixed in repairs, junction box made of glass fibre reinforced and transparent poly carbonate of size 126x228x111, KVPC 8104 with IP 65 protection including MCB SP, 6 Amps 1 No and suitable size clamps fixing for pole/ in pack foundation etc., including taking down the old one, all as specified and as directed. Make : Hensel |
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