Special Repairs To Building Nos . 18 And 18A ( Fabrication Department ) At Naval Dockyard Visakhapatnam Under Ge ( I ) Dm Visakhapatnam

Tender Notice

27855323
Special Repairs To Building Nos . 18 And 18A ( Fabrication Department ) At Naval Dockyard Visakhapatnam Under Ge ( I ) Dm Visakhapatnam
Indian
Andhra Pradesh
08-05-2021
22-05-2021
27-05-2021

Tender Details

Special Repairs To Building Nos . 18 And 18A ( Fabrication Department ) At Naval Dockyard Visakhapatnam Under Ge ( I ) Dm Visakhapatnam

Key Value

Document Fees
INR 1000 /-
EMD
INR 166000.00 /-
Tender Value
Refer document

BOQ Items

Name of Work: SPECIAL REPAIRS TO BUILDING NOS. 18 AND 18A (FABRICATION DEPARTMENT) AT NAVAL DOCKYARD VISAKHAPATNAM UNDER GE (I) DM VISAKHAPATNAM
Sl. No. Item Description Item Code / Make Quantity Units
1 1 M&L for chipping & removal of existing damaged, crakced , spalled & loose portion of concrete of the RCC members (20mm to 50mm thick) completely till the reinforcement is exposed and sound concrete 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 complete all as specified and directed (Note : Work shall be executed on any floor up to five floors or 16m height of buildings) 1340 Sqm
2 2 M&L for fixing injection grouting nozzle of suitable size and for Injection grouting for structural cracks by low viscous epoxy resin Conbextra EP10 manufactured by M/s Fosroc chemicals or equivalent chemicals manufactured by Sika India Pvt Ltd / Choksey Chemicals Pvt. Ltd. and grouting by injecting the chemicals using an electrically operated pressure grouting Machines until the nipple refuses the grout or the grout comes out from a nearby nipples and after grouting, all the nipples shall be cut and the surface shall be finished to match the nearly surface complete all as specified and directed.\n(Note : 1. The work shall be carried out through manufacturer's approved applicator. \n2. Chemicals shall be measured and paid separately as 'supply only' ). 520 Nos
3 3 Supply only injecting grouting material ,low viscosity epoxy based grouting material Conbextra EP10 manufactured by M/s Fosroc chemicals or equivalent chemicals manufactured by Sika India Pvt Ltd / Choksey Chemicals Pvt. 55 Ltr
4 4 Material & labour for 40 mm thick gunniting by chemical mortar prepared by Renderoc DS40 manufactured by Fosroc (25 kg Renderoc DS40 mixed with 12.5 kg of 6 mm downgraded crushed stone aggregate ) on prepared concrete surfaces complete all as per manufacture's instruction & as directed.. 1340 Sqm
5 5 M&L MS TMT bars 10 mm dia and over, cut to length, bent to shape required including cranking, bending, hooking ends and binding with and including mild steel wire (annealed) not less than 0.90 mm dia as reinforcement complete all as specified and directed. 3192 Kg
6 6 M&L for applying polymer modified, cementitious mortar fibre reinforced, single component shrinkage controlled, (Renderoc SP40 of Fosroc Make or equivalent in Sika / Choksey) having a compressive strength of 40 MPA strength for reparing of RCC members like columns, Beams / Slab soffits etc. complete all as specified and directed. 3 Cum
7 7 Material & labour Micro-concrete prepared by construction chemicals manufactured by Fosroc / Sika / Choksey Chemicals cement based pre packed single component, chloride free, sulphate free, non-shrink, free flow, self compacting , ready to use after mixing water in specified proportion of approved quality.to achive high strength, dual shrinkage, compensated, micro concrete with compresive strength of 40 Mpa at 28 days of thickness of 50mm to 200mm for concrete reapir work complete all as specified and directed. (Note :- 1. Form work shall be provided for palcing micro concrete patch reapir as required at site with steel jack sysytem and steel props to support the form work .2. Form work shall be measured and paid separately.under respective items in this schedule)\n 3 Cum
8 8 Use and waste of form work to columns , beams, chajjas, drops, fins, parapets etc for the proposed micro concrete encasement as specified in standard engineering practice complete all as specified and directed. 100 Sqm
9 9 Material & labour applying a coat of Polymer modified cementious bonding coat on the concrete surfaces with one part of Styrene Butadiene Rubber latex emulsion (SBR latex) manufactured by M/s Fosroc chemicals or equivalent chemicals manufactured by Sika India Pvt Ltd / Choksey Chemicals Pvt. Lt with four parts of water and six parts of cement by weight.Coverage of SBR latex-0.25Ltr / sqm for one coat complete all as specified and as directed. 1540 Sqm
10 10 M&L rendering 15 mm thick in CM 1:4 using SBR Latex emulsion @ 4% by weight of cement on concrete surfaces of any description, and finishing the surfaces even and smooth without using extra cement complete all as specified and directed\n(Note: Cost of SBR Latex is included in quoted rates) 3044 Sqm
11 11 M&L rendering 10 mm thick in CM 1:3 using SBR Latex emulsion @ 4% by weight of cement on concrete surfaces as in ceiling and finishing the surfaces even and smooth without using extra cement complete all as specified and directed (Note: Cost of SBR Latex is included in quoted rates) 80 Sqm
12 12 M&L for preparing newly plastered and unplastered surfaces of ceiling and applying three coats of white washing complete all as specified and directed. 80 Sqm
13 13 Taking down cement plaster on brick or concrete wall etc including racking out joint hacking for key, scrubbing down with water etc. complete all as specified and as directed. 1584 Sqm
14 14 Demolition of brickwork or stone/ boulder masonry, built in cement mortar including all quoins, arches, pillars, etc, but excluding ashlar facings, dressed stonework and precast concrete articles complete all as specified and as directed. 28 Cum
15 15 M&L for Pre-cast cement concrete 1:3:6 type C1(using 20 mm graded crushedstone aggregate) block masonry with solid blocks, exc. 10 cm in width and setting in cement mortar (1:6) complete all as specified and directed. 28 Cum
16 16 M&L rendering 15 mm thick in CM 1:4 on brick or concrete surfaces of wall, and finishing the surfaces even and smooth without using extra cement complete all as specified and directed \n(Note: Cost of SBR Latex is included in quoted rates) 150 Sqm
17 17 M&L for preparing newly plastered and unplastered surfaces of wall and applying three coats of white washing complete all as specified and directed. 150 Sqm
18 18 Demolition of RCC work of any description and in any position not otherwise specifically provided for complete all as specified and directed (reinforcement cut as required to facilitate demolition). 15 Cum
19 19 M&L RCC (design mix) M-30 (using 20 mm graded crushed stone aggregate) as in foundation, plinth beams, base of column, footing and mass concrete etc. complete all as specified and directed. 15 Cum
20 20 Use and waste of form work to side of concrete foundation, footings, bases of columns, raft and beams and similar work, vertical or to batter as in rough finished surfaces of concrete all as specified and directed. 120 Sqm
21 21 M & L preparation of newly plastered surfaces of walls and applying two coats of exterior emulsion paint (weather coat) over a coat of alkali resistance primer over a coat of cement based wall putty minimun thickness 1.5mm and cutting to smooth surfaces by sand paper complete all as specified and directed. 1000 Sqm
22 22 M & L Complete removal of existing treatment of old decorated surfaces of walls and applying two coats of exterior emulsion paint (weather coat) over a coat of alkali resistance primer over a coat of cement based wall putty minimun thickness 1.5mm and cutting to smooth surfaces by sand paper complete all as specified and directed. 1700 Sqm
23 23 Complete removal of existing treatment of old decorated surfaces of walls and applying two coats of oil emulsion distemper over a coat of alkali resistant primer over a coat of cement based wall putty minimun thickness 1.5mm and cutting to smooth surfaces by sand paper complete all as specified and directed. 1100 Sqm
24 24 M & L preparation of newly plastered surfaces of walls and applying two coats of oil emulsion distemper over a coat of alkali resistant primer over a coat of cement based wall putty minimun thickness 1.5mm and cutting to smooth surfaces by sand paper complete all as specified and directed. 2044 Sqm
25 25 Taking down eaves gutters and rainwater pipes (any size or pattern), including all fittings, heads, shoes, bends, swan-necks, etc., including cleaning or refixing\nor removal to Store (measured overall as fixed along the centre line over fittings and accessories) complete all as specified and directed 626 RM
26 26 S7F 0.80 mm thick plain, galvanised, mild steel sheeting, in ridges, hips, valley gutters, drip and straight flashings (length and girth as fixed) with grade of zinc coating 275 complete all as specified and directed 241 Sqm
27 27 S&F 200 mm dia PVC (SWR) pipes single, socketed, in any length with rubber ring joints fixed to wall complete all as specified and directed 320 RM
28 28 S&F 200 mm bore PVC (SWR) Tee with oval access door complete all as specified and directed. 30 Each
29 29 S&F 110 mm dia PVC (SWR) pipes single, socketed, in any length with rubber ring joints fixed to wall complete all as specified and directed 96 RM
30 30 S&F 110 mm bore PVC (SWR) Tee with oval access door complete all as specified and directed. 30 Each
31 31 Taking out deteriorated / unserviceable funnels of valley gutters of any shape , size and material from the work shop buildings at height of 6m to 20 m including disconnecting the funnels from gutters & Rain water pipe, in position and S&F new funnel made out of Galvalume plain sheet of 0.60mm thick to required shape and size to match with the existing funnels required with extra collar of 50mm over the actual outer diameter of rain water pipe and inserting in to the rain water pipe with 150mm length in to the rain water pipe with double washer self driving screws using leak proof jointing material ( Tar roof compound) or similar material and fixed in position complete all as dircted and specified. 30 Each
32 32 Taking out deteriorated / unserviceable MS flat iron clamps of any shape & size provided to support the valley gutters , rain water pipes etc of the work shop buildings at height of 6m to 20 m including disconnecting the clamps from the supportinng structures in position and S&F new MS flat iron of size 40mm wide and 06mm thick ( lenght of FI required for each clamp is 1.00m to 1.50m ) bend to shape and fixed in position by run weldinng in position and painting with two coats of synthetic enamel pisnt over a coat of zinc oxide primer complete all as dircted and specified. 90 Each
33 33 Dismantling of Asbestos sheet in roof covering complete all as specified and directed. 282 Sqm
34 34 M&L for Pre-painted Galvalume aluminium zink coating GI based corrugated steel sheet 0.50mm thick of any colour having tensile strength of 550 Mpa as in roof coverings/clading to wall, fixed with self taping screws complete all as specified and directed. 282 Sqm
35 35 Cleaning the concrete surface by removing dirt and debris, making defective locations and removing loose concrete by careful stripping untill hard surface is exposed, cutting the concrete to regular shape, wire brushing the exposed surface and removing debris from site complete all as directed 180 Sqm
36 36 M&L water proofing treatment on cleaned RCC roof comprising with the following operation and as specified here-in-below :- (a) 20 mm thick (av. mimimum thickness) plastering in cement mortar 1:3 finishing the plastered surfaces even and smooth over cleaned RCC roof. The plastered surface shall be cured properly for ten days by ponding of water over roof. (b) Applying bitumen primer over the plastered surface @ 0.40 Ltr / Sqm by the same membrane manufacturer of density at 25°C, 0.87 to 0.89 kg / Liter and viscosity 70-160 cps. (c) Providing and laying 3mm thick APP (Atactic Polypropylene Polymer) modified prefabricated five layer, weight not less than 3.6 kg/Sqm water proofing membrane, black finished reinforced with non woven polyester matt make as approved over the primer coat. Membrane shall be laid using butane torch and sealing all joints etc all as per Para 11.44.5 of SSR Part I. (d) Applying one coat of Aluminium paint @ 0.1 ltr per Sqm over APP based polymetric membrane complete all as per manufacturer's instruction. 180 Sqm
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