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Tender For Welcome Maint Services And Connecting B/R Works And Repair / Replacement Of Roof Treatment, Arrest The Leakage/Seepage, Gi Tubing, Pvc Tank Of Certain Offrs Md Accn In Chetak Complex Under Ge(Af) Adm Area At Af Stn Gwalior, gwalior-Madhya Pradesh

Military Engineer Services-MES has published Tender For Welcome Maint Services And Connecting B/R Works And Repair / Replacement Of Roof Treatment, Arrest The Leakage/Seepage, Gi Tubing, Pvc Tank Of Certain Offrs Md Accn In Chetak Complex Under Ge(Af) Adm Area At Af Stn Gwalior. Submission Date for this Tender is 23-06-2023. PVC Tank Tenders in gwalior Madhya Pradesh. Bidders can get complete Tender details and download the document.




Tender Notice

37869940
Corrigendum : Tender For Welcome Maint Services And Connecting B/R Works And Repair / Replacement Of Roof Treatment, Arrest The Leakage/Seepage, Gi Tubing, Pvc Tank Of Certain Offrs Md Accn In Chetak Complex Under Ge(Af) Adm Area At Af Stn Gwalior
Open Tender
Indian
Madhya Pradesh
gwalior
23-06-2023

Tender Details

Welcome Maint Services And Connecting B/R Works And Repair / Replacement Of Roof Treatment, Arrest The Leakage/Seepage, Gi Tubing, Pvc Tank Of Certain Offrs Md Accn In Chetak Complex Under Ge(Af) Adm Area At Af Stn Gwalior

Corrigendum Details

Sr No CorrigendumDate Corrignedum CorrigendumType NewSubmissionDate
1 06-Jun-2023 AmdtBOQ BOQ 16-06-2023
2 16-Jun-2023 Bid Auto Extn Corrigendum Bid Auto Extn Corrigendum 23-06-2023

Key Value

Document Fees
INR 500 /-
EMD
INR 80000.0 /-
Tender Value
INR 40 Lakhs /-

BOQ Items

Name of Work: WELCOME MAINT SERVICES AND CONNECTING B/R WORKS AND REPAIR / REPLACEMENT OF ROOF TREATMENT, ARREST THE LEAKAGE/SEEPAGE, GI TUBING, PVC TANK OF CERTAIN OFFRS MD ACCN IN CHETAK COMPLEX UNDER GE(AF) ADM AREA AT AF STN GWALIOR
Sl. No. Item Description
1M&L for complete removal of existing treatment by scrapping with machnical wall sander (having mechanical vacuum mechanism) having RPM not less than 1500, sanding pad of 80 Grit having dia of 7"/9" to make the surface free from dust, loose paint etc. by skilled labour complete all as directed.
2M&L for waterproof cement based putty @ 1 Kg(undiluted) per sq mtr. of average thickness 1 mm over the plastered/old painted wall after scrapping to prepare the surface even and smooth complete and sanding of the putty surface with mechanical wall sander (having mechanical vacuum mechanism) having RPM not less than 1500, sanding pad of 240 Grit or above to make the surface free from dust etc. by skilled labour as per following steps:- Step 1) Mix the putty powder by adding water as per manufacturer instructions and mix it with putty mixer with the mixing capacity of min 2.5 kg putty per minute. Step 2) Apply the first coat the prepared mixer with the help of fully automatic airless spray machine of putty application having flow speed of max 6 ltrs per minutes with a maximum pressure 3300 PSI Step3) Allow 6-8 hrs time to dry the putty surface.
3M&L forone coat of acrylic waterbased interior grade primer @ 0.8 ltr(undiluted)/10 sq mtrs diluted with water in 1:1 ratio to be applied with fully automatic airless spray machine of paint application with a flow speed of min 1 ltr per minute having a pressure of 3300 PSI.Allow 6-8 hrs to dry the surface for painting of subsequent coats.
4M&L for preparation of new plastered/Putty surfaces of walls and applying two coats of oil bound distemper using Airless spray technology with max working pressure of 3300 PSI and capable of operating single spray gun with a max material hose length of 30 mtr the spray machine should be of reputed manufacturer with pro guard technology and capability of tracking pressure and paint usage and certified by paint manufacturer and as mentioned in PS and accessories for applying distemper should be able to spray in hard to reach areas and penetration of distemper on the surface complete all as specified and directed. Note : - Sanding of surface to be done by mechanical sander with 1500 - 2700 rpm, with internal dust extraction system for clean environment certified by paint manufacturer.
5M&L forpreparation of old plastered surfaces of walls applying one coats of oil bound distemper using Airless spray technology with max working pressure of 3300 PSI and capable of operating single spray gun with a max material hose length of 30 mtr the spray machine should be of reputed manufacturer with pro guard technology and capability of tracking pressure and paint usage and certified by paint manufacturer and as mentioned in PS and accessories for applying distemper should be able to spray in hard to reach areas and penetration of distemper on the surfacecomplete all as specified and directed. Note : - Sanding of surface to be done by mechanical sander with 1500 - 2700 rpm, with internal dust extraction system for clean environment certified by paint manufacturer.
6M&L forpreparation of old plastered surfaces of walls applying two coats of oil bound distemper using Airless spray technology with max working pressure of 3300 PSI and capable of operating single spray gun with a max material hose length of 30 mtr the spray machine should be of reputed manufacturer with pro guard technology and capability of tracking pressure and paint usage and certified by paint manufacturer and as mentioned in PS and accessories for applying distemper should be able to spray in hard to reach areas and penetration of distemper on the surfacecomplete all as specified and directed. Note : - Sanding of surface to be done by mechanical sander with 1500 - 2700 rpm, with internal dust extraction system for clean environment certified by paint manufacturer.
7Preparation of olddecorated surfaces of wall including cornices, plastered or unplastered surfaces by brooming down or steel wire brushing to remove dust, dirt and loose scales of lime wash and other foreign material, scrapping down, smoke soot, moulds, mass and effloresent salts and treating out greasy spots and applying one coat of oil emulsion distemper on old decoratedsurface of wall etc, complete all as specified and directed.
8M&L for preparation of old surfaces (plastered or unplastered) of walls including cornices, pilasters etc including brooming or steel wire brushing, scrapping down smoke soot, moulds, moss, efflorescent salts, trading oil, greasy spots and applying one coat of white wash,complete,all as specified & as directed.
9M&L for preparation of old surfaces (plastered or unplastered) of walls including cornices, pilasters etc including brooming or steel wire brushing, scrapping down smoke soot, moulds, moss, efflorescent salts, trading oil, greasy spots and applying one coat of white wash on ceiling,complete,all as specified &directed.
10M&L for obliterating old writing of any description, not exc 0.1 sqm with paint to match existing works complete all as specified and directed.
11M&L for rewriting/repainting to existing writing letters or figures not exc 30 cm height in block Roman, Italian or Indian letters including stops, comma, arrows, brackets, dashes etc on sign board (Black or yellow base) including two coats of oil paint over a coat white basesynthetic enamel paint complete all as specified and directed.
12M&L forpreparation of old painted surfaces of wood & wood based material of any description over 10 cm width or girth and applying two coat of synthetic enamel paint,complete all as specified and as directed.
13M&L forpreparation of old painted surfaces of steel and iron work of any description over 10 cm width or girth and applying two coat of synthetic enamel paint, complete, all as specified and as directed
14Demolition of PCC in ground floor & pavings (including floor tile ) n.exc 15 cm thickness below or above GL, including removing excavatedmaterial n exc 2.5 KM distance and depositing where as directed, complete all as specified and directed.
15Dismantling floor hearth or wall tiling including cement mortar bedding & removing serviceable material to store and rubbish off the premises complete all as specified anddirected.
16Demolition of (unreinforced) cement concrete of any description and inany position not otherwise specifically provided for and removing rubbish off the MD land complete all as specified and directed.
17M&L PCC 1:2:4 type B-0 (using 12.5 mm graded stone aggregates) as in coping,benching,anchorage blocks, lintels upto 1.5m clear span,cills, steps, sesmic & other similar bands, plinth course, lacing course, parapets & ralling upto 60 cm in height, coping, kneelers, apex stones, bed plates, kerbs not provided for water trought & the like including weathering, slightly rounded or chemfered angels & throating complete all as directed and specified.
18M&L for 50 mm thick PCC (1:3:6) type C-2 using 40mmgraded stone aggregate as in alternate bays, finished even and smooth without using extra cementcomplete all as specified and directed.
19M&L for 25mm thick cement concrete 1:2:4 type B-0 using 12.5mm graded stone aggregate as in the flooring rough finshed to receive the floor finish complete all as specified and directed
20M&L for non skid ceramictiles (coloured) 7 to 8mm thick (square/rectangular) area of each tile exceeding 0.11 sqm but not exceeding 0.18 sqm as in floors set and jointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles over & including 15mm thick screed bed in cement & sand mortar 1:6, complete all as specified and as directed.
21All as per item No 20.00 here-in-before buton vertical surfaces including 10mm thick rendering in CM 1:4
22M&L for glazed ceramic tiles 450x300 x 6-7mm thick coloured on vertical surfaces such as skirting/dados etc,set & jointed in neat cement slurry & pointed in coloured cement to match the shade of tiles overrendering 10 mm thick in CM 1:3 on wall complete all as specified and directed.
23M&L forglazed vitrified ceramic coloued tiles 10 mm thick, area of each tiles n. exc 0.36 sqm in floors, set and pointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles over and including 15 mm thick scarred bed in cement mortar 1:6 complete all as specified and directed
24M&L,forglazed vitrified ceramic coloued tiles 10 mm thick, area of each tiles n. exc 0.36 sqm in floors, set and pointed in neat cement slurry and pointed in white or coloured cement to match the shade of tiles over but, on vertical surfaces over and incld 10 mm thick rendering in CM 1:4complete all as specified and directed
25M&L Cement Concrete 1:3:6 (40mm graded aggregate), 50mm thick as in Plinth Protection/ Foot Path, laid in alternate bays, finishing Concrete Surfaces Even and Smooth without using Extra Cement, complete all as specified and as directed.
26Demolation of RCC work in any position including cutting of reinforcement etc complete all as specified and directed.
27M&L for RCC 1:1.5:3 (Nominal Mix) type a-1 using 20mm graded stone aggregate as in Slabs supported on walls,beams and columns in floors,roofs, landings, balconies,canopies, deck slabs and in shelves and the like incl weathering, slightly rounded or chamfered angles, throating and dirceted and other similar works including necessary form work complete all as specified
28M&L for mild steel TMT bars 10mm dia and over cut to length bent to shape required including hooking ends and binding with mild steel (annealed) wire not less than 0.9mm dia or securing with clips quality conforming etc all as specified and directed.
29Form work with fair finish to the sides of soffits of floor or roof beams, lintels, cantilevers, shelves including supports overhangs, railings and like.
30M&L forcement concrete 1:2:4 type B-1 ( using 20mm graded agg) as in roof kerbs or mud stpos,rounded or chamferred on edge sand like complete all as specified.
31Taking down cement plaster on brick or stone walls, etc including raking out joints, hacking for key, sccrubbing down with water etc. complete all as specified and directed.
32M & L for rendering 15 mm thick on fair faces of brick wall finished fair & smooth in CM 1:6 complete all as specified and directed.
33M&L for 15mm thick renderingin cement mortar (1:4)on brick work or concrete surfaces, finished even and smooth without using extra cementcomplete all as specified and directed.
34M&L for 10mm thick rendering in CM 1:6on brick or concrete surfaces on wall and finished surface even and smooth witout using extra cement all as specified and directed
35M&L for 5 mm thick rendering on fair faces of brick work or concrete surfaces on ceiling with CM 1:3 without using extra cementcomplete all as specified and directed.
36M&L for preparation of new plastered surfaces of walls and applying two coats of oil emulsion distemper (OBD) of approved shade overa coat ofprimer complete all as specicified.
37M&L for preparation of newly plastered surfaces of wall & applying two coats of emulsionpaint over a coat of alkali resistant primer of approved shade/tint complete all as specified.
38M&L for 3mm thick of wall care putty over wall/ceiling surfaces etc allas specified and directed.
39M & Lpreparation of newly plastered surfaces of ceiling and applying three coats of white wash, complete all as specified and directed.
40M & L for preparation of newly plastered surface of wall and applying two coats of cement based paint over a coat of primer complete all as directed.
41M & Lpreparation of newly plastered surfaces of wallsincluding one coat of primer with1 mm thick putty on wall surface complete all as specified and directed.
42Taking down chowkhat or frames with shutters (without taking off shutters from the frame)exe 1.5 Sqm but not exc 4.0 Sqm each complete all as specified and directed.
43S&F Factory Made Solid extruded wood polymer composite solid door/window/ceosetory window & other frame chowkhat of sie 50*75 mm comprising of virgin polymer of k value 58-60,calcium carbonate and natural fibres and non toxic additives fabricated with miter jointsafter applying pvc solvent and screwed with full body threaded star headed ss screws having minimum frame density of 750kg/cum,screw withdrawl strength of 2200 N and1100N,minimum compressive strength 58 N/mm2,modules of resistance 900N/mm2 & resistance to& fixing in position with holdfast /lugs/ fasterners of reuired depth as per directions of engineer-in-charge
44S&F for Factory made solid panel PVC door shutter 30 mm thick (style) consisting of frame made out of M.S tubes for top & bottom rails. M.S frame shall be covered with both side prelaminated printed PVC sheet used instead of plain colour PVCSheet5mm thick x 15 mm wide PVC sheet beading used inside stiles and rails and decotative PVC beading of 10mm x 10mm (90) used instead of exposed portion of PVC sheet beading width stuck inside with solvent cement for stiles and prelaminated printedPVCsheets for top rail lock rail & bottom rail on either side & as gap insert for top rail & bottom rail; Panelling of plain colour PVC sheet to be fitted in the M.S welded/sealed to the stiles & rails with suitable PVC sheet beading and joined together with solvent cement, suppling & fixing in the fame at site as per specification & drawing. complete all as specified.
45Taking down rain water pipes ( any size or pattern) incl all fittings , shoes, bends, swan neck etc. Complete all as specifeid and directed
46S&F 110mm bore PVC (SWR) pipessingle socketed in any length with rubber ring joints fixed to wall/floor including PVC holding clamps complete all as directed.
47S&F 75 mm bore PVC (SWR) pipes single socketed, in any length with rubber ring joints, laid in trenches or in floors
48S&F 110mm bore PVC (SWR) bend, any radius
49S&F 75mm bore PVC (SWR) bend, any radius
50S&F in repair Brass chromium plated health faucets with flexible pipe length not less than 1.00 (minium) fixed for EWC/IWC suitable for 15mm bore pipe
51S & F in repair Bib taps, 15 mm dia, cast copper alloy, fancy type with capstan heads ,chromium plated, screwed down , screwed for iron pipe or for brass ferrule and fixed, complete all as specified and as directed.
52S&F in repair plastic water closet seat cover black/white, closed pattern with flat bottmom & cover and aluminum anodised hinging device all as specifed and as approved.
53S&F in repair vitreous china wash down water closet pan pedestal pattern white (excluding fixing bolts, flushing cistern) including flush pipe of polyethylene of low or high density or PVC, 32 mm dia, for low level cistern etc all as specified and directed.
54S&F in repairCP Showerrosewith arms15mm dia complete all as specified and as directed.
55S&F in repairs two way bib cock, brass CP mixture for mixing hot & cold water complete all as specified and as directed by Engineer-in-Charge.
56S&F in repairs PTMT waste pipe 32 mm bore of length up to 80 cm for WHB / sink/unrinal pots, complete all as specified and directed.
57Supply & fixin repairsheet glass shelf assembly consisting of 5.5mm thick sheet glass shelf 12cm wide with chromium plated bracket guard and railing 60cm long completeall as specified and directed
58S&F in repair glass corner self assembly, fancy type,made of 6 to 7mm thick sheet toughened glass of size 250x250mm,fixed with CP brackets,complete,all as specified and directed.
59S & F in repair Gun-metal, globe or gate valve, 20 mm dia, with iron wheel head, screwed both ends for iron pipe and fixed, complete all as specified and as directed.
60S&F Mirror 600x450mm, Beveled Edge, 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 and fixed-in-repairs, complete all as specified and as directed.
61M&L PVC Flushing Cistern 10 Litre capacity White, Low Level, Valve less, syphonic action type with Inlet, Ball Valve, Float and handle, a pair of Cast Iron Brackets Erecting Stand duly painted including cutting and pinning in ends, Making Good Disturbed Surfaces in Cement Mortar 1:3 and fixed-in-repairs complete all as specified and as directed.
62S&F in repairs vitreous China WC pan pedestal pattern white (excludingflushing cistern and flush pipe) but incl & connecting to trap set & concrete for making good to floor complete all as spd and directed.
63S&F seat cover of Vitreous china, pedestal pattern water closet including mild steel CP hinges complete all as specified anddirected by Engr-in-charge.
64S & F in repair fancy type angle stop cock, 15 mm dia, cast copper alloy, with chromium plated, screwed down, high pressure, with capstan head, screwed both ends for iron pipe or for unions and fixed, complete all as specified and as directed.
65S&F in repairs PVC connections 15mm size of PTMT of 450mm long. complete all as specified and directed.
66S&F in repair 15mm bore Brass CP mixer for mixing hot & cold water screwed down for iron pipe and fixed long body for kitchen sink/basin mixer complete all as specified and directed.
67S&F in repairs of fancy type brass chromium plated Wall mixer with Telephonic arrangementwith provision of both overhead & hand shower & with pipe bend 3-in-1 screwed down 15mm bore
68S&F in repairs of fancy typeWall mixer with pipe bend of length 115mm chromium plated screwed down 15mm borewith connection of overhead shower
69Repair leakage of 15 mm bore CP Wall Mixer/WHB Mixer/Sink Mixer by replacing of necessary brass spindles as required complete all as specified and directed.
70S&F in repair 1.00 mm thick stainless steel plate rack ofover all size 600x900x100 mm of standard pattern complete all as specified and directed.
71S&F in repair chromium plated hand shower with flexible pipe not less than 1 Meter suitable for 15 mm bore fittings complete all as specified and directed.
72Taking up or down Steel Tubing 15mm bore (dia) and Connections, segregating the Serviceable Pipes and Connections complete all as specified and as directed.
73Taking up or down Steel Tubing 20mm bore (dia) and Connections, segregating the Serviceable Pipes and Connections, complete all as specified and as directed.
74Supply & fixing Steel Water Tubing 15mm bore (dia), Galvanised, ‘medium grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other situation as concealed type, complete as all specified and as directed.
75Supply & fixing Steel Water Tubing 20mm bore (dia), Galvanised, ‘medium grade’ with all Fittings, fixed on Walls, Ceiling or laid in Floors or any other situation as concealed type complete as all specified and as directed.
76S&Frotational moulded polythene water storage tank of capacity 500 ltrs (Cylindrical/vertical with closed top),triple layer construction, ISI marked, hoisted & fixed in position including over flow 450mm, waste pipe 600mm long with all fittings such as dead plugs and checknutsetc. of 20 mm dia including dismantling of old PVCtank(Capacity 250- 500 Litres) & removing to where directed complete all as specified and as directed.
77S&Frotational moulded polythene water storage tank of capacity 1000 ltrs (Cylindrical/vertical with closed top),triple layer construction, ISI marked, hoisted & fixed in position including over flow 450mm, waste pipe 600mm long with all fittings such as dead plugs and checknutsetc. of 20 mm dia including dismantling of old PVCtank(Capacity 5000- 1000 Litres) & removing to where directed complete all as specified and as directed.
78S&Fin repairball / float valves high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball screwed for iron pipe and fixed 20 mm bore (minimum weight 210 gms) complete all as specified and as directed.
79Disconnecting existing tanks of capacity exc 250 litre but n. exc 500 litre for repair work and refixing the same after repair work is over.
80Ditto, but capacity of tank exc 500 litres and n. exc 1000 litres.
81S&F fxedin repairstank coversblack (with locking arrangements as per existing one) of water storage tank for capacity 500 ltrs to 1000 ltrs complete all as specified & directed.Make: sintex or equivalent as approved by GE
82Dismantling boarding any description, fixed in any position with nails etc all as specified and directed.
83S&F 18mm thick solid PVC ply of 1st quality of one side prelaminated of approved colour and one side white colour fixed with screwes, solvent cement/ adhesive to make kitchen cabinate and cup board shutters complete all as specified and directed.
84S & F 18mm thickPVC boardof grade 1 quality of both side plain white colour fixed with screws, solvent cement/adhesive to make kitchen cabinet sides top and bottom, shelves inside the cabinet and shutter or drawerincluding demolition of existing board any type or specification complete all as specified and directed.
85S&F 150mm long fancybrass handle for cupboard & wardrobe shutter complete all as specified and as directed by Engr-in-charge
86S & Fstainless steel butt hinges of 100mm size complete all as specified and directed.
87S&F soft closing hinges O "Dgree" high grade mild steel, bright finish or electrogalvanised as per approvedsample for kitchen cupboard shutters complete all as specified and directed.
88S&F continous piano hinges of brass with width 30mm of flap .
89S&F in repairs Magnet catchfor kitchen cabinet shutters as per approvedsample complete all as specified and directed.
90Supplyandfixing in repairstainless steel wardrope trolly of any shape and size with side sliding roller clip over stainless steel channel on both side fixed with steel size33x20x8 incheswith sliding rails complete.
91Supplyandfixing in repairstainless steel modular type basket of size20x20x12 inches (pull out 3 shelf) with side sliding roller clip over stainless steel channel on both sidefixed complete all as specified and as directed.
92S&F in repairs stainless steel drawer telescopic channel of size 500 mm long having load bearing capacity of 35 Kg complete all as specified and directed.
93S&F in repair fancy type decorated SS curtain hanging rods 25 mm dia including brackets, including fixing arrangement and making up repair work and all fitting complete all as specified and directed.
94Demolition of cement concrete of any description and in any description and in any poisition not otherwise specifically provided for complete all as specified and directed.
95M&L PCC type B-1 using 20 mm graded stone aggregate as on roof surface/roof kerbs and similar articles with or without plane faces with finishing cement concrete surface even & smooth without using extra cement etc all as specified & directed by Engg-in-charge
96M&L for apply acrlic based waterproofing flexible liquid applied single component, weather resistant acrylic waterprrofing membrane for all types of exposed roof slabs (new and old) terraces (slopped and flat) etc ultra voilet rays and heat reflecting system having following key performance properties :- 1.Acrylic polymer dispersion single component liquid applied system Sika Cool coat not less than 650 micron (1.2mm system built up) contains cross linking polymers, Special Glass Micro fibres, pigments and advance antifungal additive that provided long lasting tough water proofing membrane conforms to IS101, IS2645, EN1542, ASTM D 5589, ASTM D 5590, ASTM C 1202-08, ASTM D 4587, ASTM C 836, ASTM E1980, EN-673, EN-410.It should have solid content -66% (by weight) VOC <10gm/L complies to green building standards and should meet the properties of adhesive strength on cement after 14 days curing =1.5 N/mm2 as per ASTM C-836, Water absorption (% by mass)<10% as per ASTM D570, Solar reflectance index not less tha 100 (+-5%) (low wind to high wind condition), Elongation qat break (%) 200% as per ASTM D412, Algae & fungal resistance as per ASTM D-5590, Shore A hardness 45 after 1 month and should pass Accelerated weathering , 500 hours without any cracking, blistering & 100% gloss retention as per ASTM d 4587. 2. Fully reinforced with glass fibre reinforced Sika Fab 1 3.The roofing system should be compatible with Bitumen system 4. Side termination bar of 2 mm thick aluminium valley strip . Providing and applying primer over the prepared surface with Sika Cool coat primer @ coverage 0.1-0.12kg/m2First coat: Sika cool coatconsumption @ 0.05-0.08kg/m2 Reinforcement :Sika Fab Second coat: Sika cool coat Consumption @ 0.5 kg/m2 Third coat: Sika cool coat @0.5 kg/m2 and Top coat: Sika cool coat primer @0.05-0.08 kg/m2 all as per specification & direction of the engineer -in-charge make- sika/m/s choksey/fosroc
97Repairing of RCC projections chajjas, roofs, facia etc by necessary preparation, scrapping, cutting, chiseling, derusting and cleaning exposed reinforcement, surfaces of damaged, loose RCC and providing cement concrete (1:1.5:3) using 12.5 mm graded crushed stone aggregate including necessary form work and reinforced with chicken wire mesh and rendering incement mortar 1:3 using coarse sand in patches area not exceeding 5 sqm each and thickness of RCC member not exceeding 70mm including applying two coats of finishes as provided to the existing surfaces to match with the existing surfaces in at any height complete all as specified and directed.
98Demolition of sunken slab floor or WC and Bath including WC trap etc incl taking down loose filling of aggregate in any type and removing where direted and providing water proofing treatment of sunken slab in following . (a) 15mm thick rendering on vertical sides of RCC slab in CM 1:3 mixed with WP chemical of Sika/Fosroc/M/s Choksey or equivalent as per manufacturer instructions. (b) Cleaning the concrete surface by brushing and watering and remove all surface inperfections. (c) Fixing 40mm dia Pipe 450mm long bottom of the sunken and wraping of bath seal tape on the pipes inserted through walls to floor are and seal it (Bath seal tape product of Sika/Fosroc/M/s Choksey or equivalent and grouting around the inserted pipes byu porable Sika/Fosroc/M/s Choksey or equivalent bath seal grout as directed. (d) Make angle fillets by mixing sand cement of Sika/Fosroc/M/s Choksey or equivalent on all corners. (e) Brushing neat cement slurry two coats with high performance cementitious polymer water proofing coating of Sika/Fosroc/M/s Choksey or equivalent bath seal WPC of thickness 1mm in combination of WPC and cement (1:1.5) by vol and giving upto height 15cm from bottom slab and allow it dry completely. (f) Providing PCC 1:4:8 type D-2 using 40mm graded stone aggregate mixed with WPC of Sika/Fosroc/M/s Choksey or equivalent as per amnufacturer instructions in sunken slab over brick bat . (g) Fill the sanitary gaps with Sika/Fosroc/M/s Choksey or equivalent sealing compounds complete.
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