Military Engineer Services-MES has published Tender For Structural Strengthing And Repair To Certain Buildings And Other Certain Misc Works At Hansa Technical Area And Nay G Under Age Br I Of Ge Nw Vasco. Submission Date for this Tender is 21-12-2022. Building Work Tenders in vasco Goa. Bidders can get complete Tender details and download the document.
| Sr No | CorrigendumDate | Corrignedum | CorrigendumType | NewSubmissionDate |
| 1 | 07-Dec-2022 | Tender Pages Corrigendum | Other | 14-12-2022 |
| 2 | 07-Dec-2022 | BOQ Corrigendum | BOQ | 14-12-2022 |
| 3 | 14-Dec-2022 | Bid Auto Extn Corrigendum | Bid Auto Extn Corrigendum | 21-12-2022 |
| Sl. No. | Item Description |
| 1 | Chipping removing carefully concrete work by low impact hammer, breakar without damaging the structure & cleaning and disposal of debries out side the premises etc complete all as specified and directed by Engr-in Charge. Hard concrete should not be removed by force. |
| 2 | Clean existing reinforcement with wire/ rotary wire brush making the surfaces free from loose material dirt etc complete, Applying two coats of alkaline rust converting primer FEOVERT of Krishna conchem or Dr. Fixit equivalent confirming to ASTM-B-117 on the rebars, including cleaning the reinforcement, wire brushing to remove loose rust spalls, with time interval of 6 hour between the coats and applying protective coating IPNET-RB complete all as specified and directed by Engr-in Charge. |
| 3 | M&L for Carry out application of "Bi-polar migratory corrosion inhibitor" EPCO-KP-100 or equivalent on concrete surface. This inhibitor has migratory kind of property which permits the material to migrate to a vertual extent of 100mm, through pores of concrete, inhibiting the corrosion and de-passivating the Electro-chemical reaction. It has properly to attack anode as well as cathode, which is purely alkaline in nature (pH-9.5), so it has no carcinogen activity with concrete. |
| 4 | M&L for applying structural grade EPIBOND-21-LP prior to application of any type of mortar plaster conforming to ASTM-C-882-91 (Arizona Slant Shear Test) toensure bond between old concrete and new concrete. |
| 5 | 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, 5-Cement, 15-Sand) in damaged areas in 30mm thickness including leveling profiling etc complete. |
| 6 | M&L for Drilling and fixing Rohibb Teflon nozzles in RCC members, including drilling holes of 12mm dia, 50 to 100mm deep hole in structural members at the interval of 500mm center to center in staggered manner or as directed by Engr-in-Charge in RCC structural element. Work shall be carried out as under :- (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 hole by applying thixotropic epoxy putty to ensure complete sealing . Cure the system for min 12 hrs. (iii) Cutting of nozzles - Cut the nozzles by chiser after completion of grouting without damaging structural elements. |
| 7 | M&L for Injecting of site mixed cement slurrygrout, in the ratio 1:2 (1-cement, 2-water) including super plasticizer (Supercom-100) 250 ml/50 kgs. Mixing shall be done by mechanical mixture continuously stirring mechanically to keep cement particals in suspension. Injection of approved/specified grout by means of pump at a pressure of 0.5 Kg/cm2 etc complete till the grout mix flows out from the nozzle indicating complete filling of grout in the holes drilled. (for repair to slab) |
| 8 | M&L for Injecting low viscosity MONOPOL (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 material. Mixing of materials :- Mixing of material components (part a&b) in the required quantities as per manufacturer"s instruction by weigh batching. Grouting maintain the pressureat exit (0.5 to 1.0 kg/cm2) by monitoring pressure gauge at exit. Grout the material through prefixed nozzles in the structural element @ 100ml per nozzle. Repeat the process for all the nozzles. (Beam and columns) |
| 9 | M & L for applying jacketing arround columns with Micro concrete (Molith-MC) M-40 including all lifts, shuttering, drilling holes and fixing shear Anchor as per specification complete. Note:- Reinforcement shall be measured and paid saperately, (Rates including jacketing, formwork and Micro concrete) |
| 10 | Replacement of steel reinforcement with TMT bars of appropriate size where 20% of cross section is reduced including dismantling of rusted steel including application of rust converter FEOVERT and applying protective coating IPNET-RB complete all as specified and directed by Engr-in-Charge. |
| 11 | S&F hard drawn steel wire fabric cut to length bent to shape required and tying with and including mild steel wire (annealed) not less than 0.9mm dianot exc. 4 Kg/sqm. |
| 12 | Taking down/out loose & damaged concrete/cement plaster from soffits of ceilings, floor/roof slabs, vertical surfaces of columns, beams etc., including exposing and removing rust fron the reinforcement by rubbing with wire brush and removal of debris to a distance n. exc. 100 mtr and depositing where directed |
| 13 | M&L for gunniting exposed concrete surfaces of beam, column and slabs with one layer of conplast spray set modified concretein proportion (50Kg cement 3 to 6mm granite chips 75 kg zonal sand 75 kg and complast 2% by weight of cement water 1 to the following locations :- |
| 14 | 40 mm thick in columns |
| 15 | 30 mm thick in beams |
| 16 | 20 mm thick in slabs |
| 17 | Bonding the entire exposed surface with one coat of fosroc Nitop bond SBR as per manufacturer insltructions over where fabric and surfaces of concrete structure |
| 18 | Taking down cement plaster of any description on brick or stone walls, Chajjas etc., including raking out joints, hacking for key, scrubbing down with water etc., ncl removing rubbing to a distance exceeding 100m complete all as specified and as directed. |
| 19 | M&L for rendering 15 mm thick in cement mortar 1:6 on concrete solid blockwallsurfacefinished even and smooth without using extra cement all as specified. |
| 20 | Material & Labour for preparation of new plastered or un-plastered surfaces and walls including cornices, pilasters etcand applying two coats of cement base paint over a coat of alkali resistant primer complete all as specified and as directed. |
| 21 | M&L for preparation of old surface of wall plastered including cornices and pilasters etc andapplying one coat of cement base paint on wallall as specified and as directed by Engr-in-Charge. Note:- (i) At some places, concertina coil is fixed at the face of compound wall. Rates quoted by the contractor shall be inclusive the obstacles/ hindrance caused due to concertina coil. (ii) During the painting period the concertina coil fixed at the face of compound wall shall not be dislodge/ dislocate/ disturbed. Any damaged occures shall be make good as original without any extra cost. (iii) Prior intimation to the Engr-in-Charge shall be given in well advance while painting to avoid security/ safety hazards. |
| 22 | M&L for preparation of old surface of wall plastered including cornices and pilasters etc andapplying two coats of cement base paint on wallall as specified and as directed by Engr-in-Charge. Note:- (i) At some places, concertina coil is fixed at the face of compound wall. Rates quoted by the contractor shall be inclusive the obstacles/ hindrance caused due to concertina coil. (ii) During the painting period the concertina coil fixed at the face of compound wall shall not be dislodge/ dislocate/ disturbed. Any damaged occures shall be make good as original without any extra cost. (iii) Prior intimation to the Engr-in-Charge shall be given in well advance while painting to avoid security/ safety hazards. |
| 23 | M&L for writing letters/Bldg Nos or figures(Block, Roman or Indian) on wall 10cm height using synthetic enamel paint white or circular /black painted,black back ground all as specified and directred by Engr-in-charge. |
| 24 | M&L for preparation of steel surface and applying one coat of Synthetic enamel paint over 10 cm width or girth complete all as specified and directed. |
| 25 | Dismantling plain or corrugated steel sheeting any gauge, thickness, including Naintal or similar pattern roof coverings |
| 26 | S&F Pre- painted galvalume aluminum zinc coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified |
| 27 | S&F Pre- painted galvalume aluminum zinc coating GI based plain steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof covering/cladding to wall, fixed with self tapping screws as specified |
| 28 | Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing or removal to Store (measured overall as fixed along the centre line over fittings and accessories) |
| 29 | S & F 110 mm bore PVC (SWR) Soil, waste and vent pipes single socketed in any length with rubber ring joints fixed to walls. |
| 30 | Dismantling mild steel work of any description not otherwise provided for |
| 31 | S & F Mild steel roof trusses (framed), Trussesd, purlins, crane grantries, rails and framings and heavy bracket framing (Beam,tee, angle, channel or flat sections) confrming to Fe 410-Wincluding cleats,distance pieces etc |
| 32 | M&L for preparation of steel surface and applying one coat of red oxide zinc chrome primer and two coats of Epoxy anticorrosive paint over 10 cm width or girth. |
| 33 | M&L for preparation on newly plastered surface of ceiling for painting and applying 3 mm thick wall care putty on plastered surfaces and applying twocoat ofoil bound distemper over chalk whiting. |
| 34 | M&L for preparation on newly plastered surface of wall for painting and applying 3 mm thick wall care putty on plastered wall surfaces and applying twocoat ofoil bound distemper over chalk whiting. |
| 35 | M & L for preparation of new surfaceswalls and applying two coat of acrylic anti-fugal weather proof exterior grade paint of first quality over a coat of primer incl sealing the cracks all as specifiedinmanufacturersinstruction Make STP Ltd (Shallcry - 215)/ Asian Paint (Ultima stretch)/ Berger Paint (Weather coat long) all as specified and as directed. |
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