Military Engineer Services-MES has published Repairs / Improvement To Rcc Structures, Steel Structures , Sea Water Pump House And Sump Room And Other Connected Works In Pipe Line Gallery At N-17 Jetty To N-22 Jetty At Naval Dockyard, Visakhapatnam Under Ge ( I ) ( . Submission Date for this Tender is 29-11-2021. Building Repair Tenders in NAVAL DOCKYARD, VISAKHAPATNAM Andhra Pradesh. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 28-Oct-2021 | Corrigendum No 1 | Date | 12-11-2021 |
| 2 | 03-Nov-2021 | Corrigendum No 2 | Date | 22-11-2021 |
| 3 | 12-Nov-2021 | Corrigendum No 3 | Date | 29-11-2021 |
| Sl. No. | Item Description |
| 1 | Dismantling structural steel work of any description including doors, railing, gates, trusses complete all as specified and as directed. |
| 2 | Supply and fix structural steel framed work in angles channels, or tees etc welded or riveted or similar work conforming to Fe-410-0 or Fe-310-0 of caisson gate and associated Pusher jack pit and capstan covers complete all as specified and as directed. |
| 3 | Supply and fix for rolled mild steel plates (Plain or chequred) conforming to Fe-410-0 or Fe-310-0 welded to supporting structure of caisson gate and associated Pusher jack pit and capstan covers complete all as specified and as directed. |
| 4 | Material & labour for preparation of newsteel surfaces of any description over 10 cm width or girth and applying two coat coal tar epoxy base paint overone coat of zinc chromate primercomplete all as specified and as directed. |
| 5 | Dismantling portions ofreinforced cement concrete work ordered / chipping of unsound concrete to a depth / thickness of 50 mmand above thicknessinrespect ofgallery cover slabs, side duct walls, beams, cope point, electrical panel base slabs etc., and similar work on jetty gallaries, gallary drains etc., (work in retricted movement area below ground level and requires de-wateringetc., ) completeall as specified and as directed. |
| 6 | M&L for preparation of exposed surafces of rustedsteel reinforcementof dia 10mmand above with metal wire brush ,cleaning the rustedsurfaces free from loose rust and application ofrust remover cum passivator painted with brush to the rusted reinforcemnet @ 2.0-2.5Ltr /Sqm surfaceof steel reinforcement, (Fosroc-Reebaklens RR) to thesurface of existing reinforcement ) and removing rust with flex after 24 hours of application of rust remover with the help of wire brush, sand paper and throughly washed with water with the help of pressure jet and allowing it todry complete .( Length of reinforcement steel bar shall be measured for payment completeall as specified and as directed. |
| 7 | Supply onlywelded steel wire fabric fixed to RCC wall/ceiling with necessary fixing arrangement weight exc 2 kg/sqm butt not exceeding 4 Kg/Sqm complete all as specified and as directed. Note:- Supply only reinforcement will be measured and paid for separately |
| 8 | M&L for providing Shear connectors and Anchoring, Drilling 12mm dia holes up to depth of 100mm and fix 10mm diaTMT bars "L" shaped anchor rods as shear connectors in defective concrete area ofthe slab, column, beams, chajjas, lintel etc.,or any other structural member as the case may be clean the same using water and make sure that there is no fine particle present in the hole. Mix the base and hardener of the polyester resin Fosroc Lokfix with the spatula thoroughly. Fill the drilled and cleaned holes to a minimum depth of 1/3rd of the hole with the prepared polyester resin and the reinforced bar shall be inserted to full depth of hole and extra length of the reinforcement bar shall be bent into the concrete to maintain proper cover to the reinforcement complete all as specified and as directed. |
| 9 | M&L for Providing, placing and fixing Form workshuttering using water proof ply wood to the soffit of slabs, sides of columns/ beams, walls of ducts etc., for the proposed micro concrete encasement , Ready mix concreting as specified/ detailed / standard practice and directions of Engineer-in- charge. Costinclusive of all materials, carpentry work, transportation, labour, tools and tackles, lead and lift etc., complete all as specified and as directed. (Note : For repair works of jetty gallaries, drains, duct side walls , electrical cope point, panel bases etc.,similar nature of work) |
| 10 | M&L for laying cement based Micro-concrete,Rendroc RG 40 of Fosroc make, pre packed single component, chloride free, sulphate free, non-shrink, free flow, self compacting , ready to use after mixing water in specified proportion of approvedquality. Form work shall beprovided for placingmicro concrete patch reapir as required at sitewith steel jack systemand steel propsto support the form work in this application of high strength, dual shrinkage, compensated, micro concrete for placing in nominal thickness of more than 50mm for concrete reapir with compresive strength of 40 Mpa at 28 days complete all as specified and as directed. Note: Form work shall be measured and paid separately. |
| 11 | M&F for fixing injection grouting nozzle of suitable size and for Injection grouting for structural cracks withlow viscous epoxy resin Conbextra EP10M manufactured by M/s Fosrocchemicals and grouting by injecting the same using an electrically operated pressure grouting Machines until the nipple refuses the grout or the grout come out of a nearby nipples. (The base and the hardener of the epoxy resin come in pre weighed and pre-packed foms and hence should not be part mixed. The entire base and hardener shall be poured in a suitable container and mixed mechanically using a slow speed heavy duty drilling machine fixed with mixing paddles). After grouting, all the nipples shall be cut and the surface shall be finished to match the nearly surface. All the Procedures to be carried out by Manufacturer detailed specifications complete all as specified and as directed. Note : Conbextra EP 10 M chemical can be measured and paid separately. |
| 12 | Supply only injection grouting material, low viscosity epoxybased grouting material Conbextra EP10 complete all as specified and as directed. [Make : Fosroc or E-in-C approved make as approved by GE.] |
| 13 | M&L for chipping & removal of existing damaged, crakced , spalled & loose portion of concrete ofthe RCC memberscompletely till the reinforcement is exposed and sound concrete (20mm to 50mm) is observed by using mechanical means and manual chisels and further the surface is jetted with clean water for removal of dust and loose particles and completeall as specified and as directed. |
| 14 | M&L for application of bonding coat on the prepared old concretesurfaces of the RCC Memebers of the buildings with two component epoxy based bonding agent Nitobond AR standard of Fosroc make for the surfaces of the concrete to be rehabilated by Rendroc RG (above 50mm thick), Rendroc DS40 (upto 40mm thick), Rendroc SP 40 (upto 30mm thick), Rendroc S2 (upto 20mm thick ) of repair old demolished concrete member complete all as specified and as directed. |
| 15 | M&L for application of polymer modified reinstatement mortar 20mm thick in isolated palces of reapir works of RCC members with Rendroc S2 of M/s Fosroc make having a compressive strength of M40 grade. Rendroc S2 is supplied in two components and packing size of 25 Kg bag ready to use at site directly by mixing with water at 3.5 Ltr per bag. complete all as specified and as directed. |
| 16 | M&L for application of single component shrinkage controlled, polymer modified, fibre reinforced cementitious repair mortar (Renderoc SP40 of Fosroc Make) 30mm thick in a single layer having a compressive strength of M45 grade to columns, Beams / Slab soffits & where ever it required in isolated areas of repair works to RCC members :Renderoc SP40 of Fosroc is supplied in 25 Kg bag and ready to use at site directly by mixing with water at 4.25 Ltr per bag complete all as specified and as directed. |
| 17 | M&L for Dry spray repair mortar - Fosroc make, Renderoc DS40 @ 40mm thick to the Slab soffits, coloumns, chajjas, lintels, staircase slabs , Beams,parapets. etc. Application procedure:Stock the sufficient quantity of RENDROC DS40 and washed/dried 6mm downgraded course aggragate at site, the premixed factory made polymer modified dry spray concrete and 12.5 kg of 6mm downgraded aggregate shall be placed in to the funnel arrangement of the dry spray concrete pumping machine. Water shall be filled in the water tank and connected to the dry spray concrete pumping machine. The prepared and SBR ploymer modifies bonding coat appliedsurface shall be in a tacky state. The dry spray concrete shall be pumped through the hose connected to the compressor and pumping machine. At the tip of the concrete pumping nozzle, water shall be added at the time of concrete spray. The concrete shall be sprayed continously to achieve the required thickness and continued up to the prepared surface. Immediately after the spray is completed. water shall be sprinled over the surface and finish the concrete surface with steel float/ leveling frame until smooth finish is achieved. The process shall be continued for the entire prepared surface. The cost of all materials, cost of hire charges of machineries, tools and all labour charges etc., complete all as specified and as directed. |
| 18 | M&L of RCC M30 using approved Ready Mix cvoncrete design mix for slabs supportd on walls, beams, and columns in floors, roofs, landings, balconies, canopies, deck slabs and in shelves complete all as specified and as directed. |
| 19 | Material & labour for twocoat of weather proof acrylic emulsionto ceilings and walls of old surface of gallaries , includingn surface preparation. Work in compact area, entry and exit through man holes, below ground levelcomplete all as specified and as directed. |
| 20 | Material & labour for twocoat of weather proof acrylic emulsion over a priming coat, on new surfaceto ceilings and walls ofgallaries,includingn surface preparation. Work in compact area, entry and exit through man holes, below ground levelcomplete all as specified and as directed. |
| 21 | M&L for polymer modified plastering in CM 1:6 , 15mm thick on fair faces of brick / concrete surafces finished even and smooth with out using extra cement and using Nitobond SBR at the rate of 4% of weight of cement complete all as specified and as directed. Note : SBR shall be measured and paid separately |
| 22 | Supply only Styrene Butadiene Rubber (SBR) latex emulsion complete all as specified and as directed. Make of SBR emulsion / latex : Sika, Fosroc, STP,Dr Sunanada, BASF, star coatings |
| 23 | Removing demolished building materials such as concrete debris, removedplastering material, brick bats and the like and disposing off out side MD land complete all as specified and as directed. |
| 24 | Taking down cement plaster on brick walls, raking out joints locking for key, scrubbing down with water etc., complete all as specified and as directed. |
| 25 | Material & labour for polymer modified plastering in CM 1:3, 10mm thick on fair faces of concrete surafces of ceilings finished even and smooth with out using extra cement and using Nitobond SBR at the rate of 4% of weight of cement complete all as specified and as directed. Note:- SBR shall be measured and paid separately |
| 26 | Material & labour forpreparation of newly plaster surfaceof wall and ceiling and applying twocoat of white wash to ceilings and walls of gallaries of jetties includingn surface preparation. Work in compact area, entry and exit through man holes, below ground levelcomplete all as specified and as directed. |
| 27 | Material & labour 3mm thick a single component, polymer modified, cementitious mortar of Renderoc FC of M/s FOSROCfiller for minor surface imperfections ( up to 3mm depth) complete all as specified and as directed. |
| 28 | Material & labour forproviding two coats of carbonation resistant film chemical "Deck gaurdS" of M/s FOSROC not lees than 150 micron( dry film) per coat over treated area/plaster complete including a coat of "Deck gaurdS primer " of 150 microns complete all as specified and as directed. |
| 29 | Material & labour for 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,Nosing angles , walk ways,MS ladder, railing, frame work of water tanks and similar work complete conforming to Fe-290.Gde E -165 complete all as specified and as directed. |
| 30 | Material & labourapply of shrinkage controlled, polymer modified, fibre reinforced cementitious repair mortar Renderoc SP 40 complete all as specified and as directed. |
| 31 | Material & labour for preparation of old painted steel surfaces of any description over 10 cm width or girth and applying one coat coal tar epoxy paint complete all as specified and as directed. |
| 32 | S&F in Repairs 1.25mm thick steel rolling shutters, with out ball baring, as specified including top cover anchoring rod, hasp and staple, shaft, pipe, brackets,and one shop coat of primer, erected in position as indicated completewith bevel gear box and crank handle complete all as specified and as directed. |
| 33 | S&Fin repairs MS gear box assembly complete incl connecting and fixing the gear box to wall with 4 Nos hexagonal bolts of 10mm dia and 100mm long complete including cutting into existing wall/pillar of brick work/RCC and filling back with PCC 1 complete all as specified and as directed. |
| 34 | Taking downChowkats or framesnot exceeding 1.5 Sqm each (Without taking off shutters from the frame) and removing away from site complete all as specified and as directed. |
| 35 | Taking downChowkats or framesnot exceeding 1.5 Sqm each (Without taking off shutters from the frame) and removing away from site complete all as specified and as directed. |
| 36 | Taking downChowkats or frames exceeding 1.5 Sqm but not exceeding 4.00 Sqm each (Without taking off shutters from the frame) and removing away from sitecomplete all as specified and as directed. |
| 37 | S&F in repair power coated Aluminium window frame 2/3 track outer frame 92 mm x 31.75 mm x1.50 mm of Jindal and guide rail of section Nos size 92 x 31.75 x1.50mm and shutter section 40 x 18 x 1.550 mm sliding type including 5.5mm thick sheet glass of selected quality and fixed with rubber beading and aluminium hardware fittings shall be powder coated also complete all as specifed and directed |
| 38 | Supply and fix aluminium door shutter with chowkats made out of hollow aluminium sections as mentioned below, each shutter having 2 Nos ‘D’ type aluminium handles of 200mm long 2 Nos aluminium tower bolts of 200mm long and 1 No mortice lock of 6 lever with key in duplicate, regulated by double action hydraulic floor door spring, shutter partly glazed with 5.5mm thick sheet glass and partly paneled with 12mm thick particle board pre-laminated fixed with glazing clips, rubber beadings and aluminium beadings complete all as specified and as directed. Chowkat size : 101.60 x 44.45 x 2.40 mm (1.608 Kg/RM appx) ShutterTop rail : 114.30 x 2.15 mm thick (1.836 Kg/RM appx) Bottom rail: 150.00 x 2.20mm thick (2.376 Kg/RM appx) Middle rail : 83.50 x 1.70 mm thick (1.243 Kg/RM appx) Vertical rail:85.00 x 1.80 mm thick(1.302 Kg/RM appx) |
| 39 | Demolition of cement concrete in ground floors and pavings not exceeding 15 cm thickness (below or above ground level) including floor finishes such as tiles/interlocking tiles etc complete all as specified and as directed. |
| 40 | Dismantling floor hearth or wall tiling including cement mortar bedding (but not backing) and removing rubbish off the premises, complete all as specified and as directed. |
| 41 | M&L for coloured non skid ceramic tiles 300 x 300 x 7mm thick in floor set and jointed in neat cement slurry and pointed in white or coloured cement to match laid over and incl cement screed 15mm thick in 1:6all complete all as specified and as directed. |
| 42 | M&L for glazed ceramic tiles (450 x 300 x 7-8mm) thick as in skirting/dado/vertical surfaces , including 10 mm thick 1:4 CM etc set and jointed in neat cement slurry provided in colured cement to match the colouredtiles complete all as specified and as directed. |
| 43 | M&L for Non skidCeramic tiles 7-8mm thick area of each tiles exc 018 sqm, not exceeding 0.36 sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match laid over 15mm thick cement mortor (1:6) screed bed complete all as specified and as directed. |
| 44 | M&L for complete removal of existing treatment on existing wall surface and applying two coat of oil bound distemper on walls over 2-3 mm thick wall care putty, including scaffolding or other arrangement complete work, complete all as specified and as directed. |
| 45 | M&L for complete removal of existing treatment on existing surfaceand applying two coat of weather proof exterior emulsion paint on walls over 2-3 mm thick wall care putty upto double story bldgs, complete all as specified and as directed. |
| 46 | S & F in repair Vitreous China Ware Wash hand basin white, flat back, size 550 x 450 mm size(flat back or angle back type) in repairs including cutting for and pinning ends of brackets or erecting stand in repairs complete all as specified and as directed. |
| 47 | Supply fix in repairs Viterous China wash down water closet pan (pedestal pattern )including PVC seat cover complete all as specified and as directed. |
| 48 | S&Fin repairs of Vitreous China urinal flat back size 465x355x265mm white (miimum ) with grating and union for discharge pipe (execludigflushing cistern, flush pipe and waste pipe) complete all as specified and as directed. |
| 49 | S/F in repairPVC low level flushing cistern 10 ltrs capacity including all fittings and brackets bends flush pipe etc and fixed in repairs complete all as specified and as directed. |
| 50 | S&F in repairs 600mmx450mm bevelled edge looking mirror of selected quality glass, mounted on 6mm thick AC building board or commercial plywood and fixed to wooden plugs with chromium plated brass screws and cup washers complete all as specified and as directed. |
| 51 | S & F in repairs Fancy type chromium plated 15 mm bore Bib Tap, cast copper alloy screwed down high pressure with crutch or butterfly handle screwed both ends for iron pipe or for unions complete all as specified and as directed. |
| 52 | S & F in repairs 15 mm bore pillar taps, Cast Copper alloy, with capstan heads, chromium plated, screwed down high pressure with or without lettered Hot or Cold with long screwed shanks and fly nuts, screwed for iron pipe complete all as specified and as directed. |
| 53 | S & F in repairs Fancy type chromium plated 15 mm bore angle valve cast copper alloy screwed down high pressure with crutch or butterfly handle screwed both ends for iron pipe or for unions complete all as specified and as directed. |
| 54 | S & F 15 mm bore UPVC pipe including all necessary fittings (elbow, Tees, socket etc) for flush pipes, water supply pipes etc., fixed to walls and ceilings or laid in floors complete all as specified and as directed. |
| 55 | S & F 20 mm bore UPVC pipe including all necessary fittings (elbow, Tees, socket etc) for flush pipes, water supply pipes etc., fixed to walls and ceilings or laid in floors complete all as specified and as directed. |
| 56 | S & F 25 mm bore Galvanized Steel tubes, medium grade for flush pipes, water supply pipes etc., fixed to walls and ceilings or laid in floors complete all as specified and as directed. |
| 57 | [Note : The following items are to be executed in the gallaries of the jetties (restricted work environment ) and requires double scaffolding to acrry out the mechanically applied repair mortars etc . The rates quoted shall be accordingly considered for all the safety gear, scaffolding, height, lead and liftin the items.] |
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