Tender For Addition /Alteration And Special Repair Of Certain Watch Towers At Naval Station Karanja
Tender Value
42.85 Lakhs
Estimated cost
Bid Submission
28 Nov 2026
21 days left
EMD
85700
Bank guarantee accepted
Document Fee
500
Non-refundable
Tender Type
Online
Tender Overview
Organization
Tender ID
Competition Type
NCB
Bidding Type
Tender
Location / State
Raigad → Maharashtra
EMD Exemption
Available
Quantity
Not Available
Website
Contact Person
Address
Project Description
Tender for Addition /Alteration And Special Repair Of Certain Watch Towers At Naval Station Karanja
BOQ
| Sl. No. | Item Description |
| 1 | Chipping, removing carefullly concrete work by low impact hammer, breakar without damaging the structure i.e hard concrete should not be removed by force, cleaning and disposal of debries out side the premises etc. complete all as directed by Engr-in-Charge. |
| 2 | M&L for Clean existing reinforcement with wire/ rotary wire brush, making the surfaces free from loose material dirt etc. complete and applying two coats of alkaline rust converting primer FEOVERT of Krishna Conchem or Roff rust cleaner of Piddilite or Dr. Fixit Rust removal or ShaliRust of STP Ltd. on the rebars, including cleaning the reinforcement, wirebrushing to remove loose rust spalls, wash the rebars with clean water within 3 min and wipe it dry, complete all as directed by Engr-in-Charge. |
| 3 | M&L for applying two coats of Epoxy based Zinc primer in a span of four hours over the treated rebars and allow to dry for six hours. The application shall be done by brush. Epoxy primer for steel of make / brand - Corroseal-ZR of Krishna Conchem or Dr. Fixit Epoxy zinc primer complete all as directed by Engr-in-Charge. |
| 4 | M&L for cleaning all loose laitance on the concrete substrate and applying one coat of epoxy bonding agent on exposed concrete surface to ensure bond between old concrete & new concrete by brush application. Make / brand Monobond SBR of Krishna Conchem or Dr. Fixit epoxy bonding agent or Shalicrete URP of STP Ltd. complete all as directed by Engr-in-Charge. |
| 5 | M&L for Building up the profile of structural members by using latex additives(MONOBOND) modified air cured mortar system (Polymer modified mortar) (1:5:15 = 1 monobond-5Cement-15 sand) -in damaged areas in 30mm thickness including leveling profliling etc complete all as directed by Engr-in-Charge. |
| 6 | M&L for applying concrete protection coating on finished structural members exposed to atmosphere make or brand IPNET of Krishna Conchem or New Coat from Dr. Fixit complete all as directed by Engr-in-Charge. |
| 7 | M&L for Drilling and fixing Rohibb Teflon nozzles in RCC members, including drilling holes of 12mm dia, 50 to 100mm deep holes. Works shall be carried out as under and as directed by Engr-in-Charge :- (i) Cleaning of holes. Clean the holes by air blower prior to fixing nozzles. (ii) Fixing of nozzles. Insert 12mm dia. Rohibb Teflon nozzles in cleaned holes. External end of nozzles to be machine to receive outlet of grouting gun.Fix it inside the holes by applying thixotropic epoxy putty to ensure complete sealing. Cure the system for min.12 hrs. (iii) Cutting of nozzles. Cut the nozzles by chisel after completion of grouting without damaging structural elements. (iv) In case crack upto 2mm wide, fix the injection nozzels directly over the cracks, at intervals of 6 to 9 inches, using a drilling machine. Fix PVC/MS nozzels in these holes with fast-setting epoxy putty & let it dry for 2 to 3 days. Also, seal the crack between the ports with epoxy putty. (v) In case where the crack is wider than 2mm upto 4 to 5mm, drill holes at the sides of the crack in a staggered fashion, at intervals of 6 inches and affix them with epoxy putty as mentioned above. (vi) Also, seal the face of the crack with a liberal application of the epoxy putty. |
| 8 | M&L for Injecting of site mixed cement slurry grout, mixed in specified proportion containing cement, sand water with addition of plasticizers (approved make) & migratory corrosion inhibitors, water cement ratio shall be varied between 0.5 to 1.0 for each hole, shrinkage compensating cement slurry mixed to a lump free fresh creamy consistency ,Mixing shall be done by mechanical mixer continuously stirring mechanically to keep cement particles in suspension. Injection of approved/specified grout by means of pump at a pressure of 3-5 Kg/cm2 etc complete till the grout mix flows out from the nozzle indicating complete filling of grout in the holes drilled etc. complete all as directed by Engr-in-Charge. Make / brand of Epoxy grout - Dr. Fixit Epoxy injection or EPCO KP-HP-250 of M/s Krishna Conchem or Shaligrout EI of STP Ltd. |
| 9 | M&L for Injecting low viscosity (3-5cps) high molecular weight monomer by pressure and using mechanized injector gun with accessories till nozzles refuses to accept the grout, Including,Mixing of materialas:Mixing of material components(part a&b) in the required quantities as per manufacturer's instruction by weigh batching.Grouting:Fill the grouting gun with concrete penetrating corrosion inhibitor EPCO-KP-100/Protectsil CIT or Ferogard 903. Maintain desired pressure in the gun by air compressor; maintain the pressureat exit (2 to 3kg/cm2) by monitoring pressure guage at exit. Grout the material has to be done through prefixed nozzles in the structural elements@ 100ml per nozzle and repeat the process for all the nozzles etc. complete all as directed by Engr-in-Charge. |
| 10 | M&L Mild TMT steel 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 orsecuring with clips complete all as specified and directed by Engr-in-Charge.Note:-Replacement of steel reinforcement with TMT bars of appropriate size where 30% of cross section is reduced including dismantling of rusted steel complete all as specified and directed. |
| 11 | M& L for Mild Steel steel TMT bar of 5mm and over upto 10mm dia in or stirrups,spacers and binderd of designed diameter in various structural elements like column ,beams and foundations including drilling, bending, welding and fixing the bars with epoxy putty etc. complete (Steel provided on the basis of 1% of volume of concrete) complete all as specified and directed by Engr-in-Charge. Please Enable Macros to View BoQ information |
| 12 | M& L for Mild Steel steel TMT bar of 5mm and over upto 10mm dia in or stirrups,spacers and binderd of designed diameter in various structural elements like column ,beams and foundations including drilling, bending, welding and fixing the bars with epoxy putty etc. complete (Steel provided on the basis of 1% of volume of concrete) complete all as specified and directed by Engr-in-Charge. Please Enable Macros to View BoQ information |
AI Tender Summary
Tender Timeline
Nov 05, 2026
11:30 IST
Tender Published
Tender notice published.
CompletedNov 28, 2026
17:00 IST
Bid Submission Deadline
Online submission via eProcurement portal.
Upcoming · 21 daysNov 30, 2026
Bid Opening Date
Technical bids will be opened and evaluated.
Upcoming · 23 daysTender Documents
Download All (ZIP) ↓
Disclaimer
We takes all possible care for accurate & authentic tender information. However users are requested to refer Original source of Tender Notice / Tender Document published by Tender Issuing Agency before taking any call regarding this tender