CERTAIN REPAIR TO ARREST SEEPAGE THROUGH SUNKEN FLOORS VERTICAL STACKS WATER SUPPLY LINES TO BUILDINGS AT INS CIRCARS UNDER GENB VISAKHAPATNAM

Amount

Demolition of un-reinforced cement concrete Roofs, floors (other than ground floors), beams, staircases, landing, chajjas and similar suspended work provided for and disposal of unserviceable materials, debris and rubbish to out side MD land complete all as specified and as directed.

Supply and applying Tile adhesive for normal application to attain a minimum bed thickness of 3mm at a consumption of 4 Kg/Sqm as per manufacturer's specification complete all as specified and as directed. Make: Asian Paints /STP / FOSROC/ Sika india Pvt.Ltd / Choksey / MAPEI Constr Product India Pvt.Ltd /Maruthi bitumen Pvt Ltd

Suupplying and applying epoxy based tile grout for tile and joints of 3mm wide and depth of 10mm at a consumption of 0.4 Kg/Sqm as per manufacturer's specification complete all as specified and as directed. Make: Asian Paints /STP / FOSROC/ Sika india Pvt.Ltd/ Choksey / MAPEI Constr Product India Pvt.Ltd /Maruthi bitumen Pvt Ltd

Preparation of the sunken floor surface by mechanical abrading to remove all loose mortar and laitance, oil, grease etc., and washing with plenty of water. Preparation of the surface by mechanical abrading to remove all loose mortar and laitance, oil, grease etc., and washing with plenty of water. Making the surface sound and free from cracks by filling the 'V' grooves cut along the cracks with liquid membrane/coatings repair mortar. Carryout Initial pond test for 24 Hours to identify any invisible cracks. injection grouting for cracks on negative side of the surface using shrink compensating grout additive liquid membrane/coatings Injection grout additive @ 250gms/50kg bag of cement with neat cement slurry by drilling the hole of 12mm dia and fixing the nozzles using fast setting compound liquid membrane/coatings Instant Leak Stop along the construction joints, cracks etc. at a distance of not more than 500 mm C/C Angle fillet providing a cement sand mortar based angle fillet of 50 X 50mm admixed with liquid membrane/coatings multi Purpose Polymer @ 0.25 litre per 50 kg bag of cement , all around in the side at the floor wall junction and curing by water as per standard practice. Supplying and applying two component of approved elastomeric acrylic polymer modified cementitious waterproofing coating , having 100 % elongation as per ASTM D 412, resisting 5 bars positive hyrostatic pressure and 4 bars negative hydrostatic pressure as per DIN 1048, reduction to rapid chloride shall be 70 as per ASTM C 1202, crack bridging upto 1.2 mm as per

ASTM 4548.5.The mixing ratio of the coating shall be 2 parts of powder & 1 part of liquid without any water addition in the mixing, etc., complete as per manufacturers specifications at a consumption factor of 1.5 Kg/Sqm in two coats. Make: Asian Paints / STP / FOSROC / Sika india Pvt.Ltd/ Choksey/ MAPEI Constr Product India Pvt.Ltd /Maruthi bitumen Pvt Ltd

50 mm thick (Minimum) plain cement concrete, type A-0, 1:1.5:3 (Using 12.5mm graded stone aggregate) in floor bed for laying of tiles mixed with approved admixture @ 100 ml per bag of cement as per manufacturer's specification complete all as specified and as directed. Note:- Admixure shall be measured and paid separately.The bed concrete shall be laid in slope of 1:100.

Rendering 20 mm thick on brick or concrete surfaces (vertical surfaces) in cement mortar 1:4 and finished even and smooth without using extra cement including mixing of approved admixture @ 100 ml per bag of cement complete all as specified and as directed. Note: Admixure shall be measured and paid separately.

Supply only water proofing admixure conforming IS of approved make. Make : STP / FOSROC / Sika india Pvt.Ltd/ Choksey/ MAPEI Constr Product India Pvt.Ltd/ IWL Ltd / Hindcon Chemical Ltd. / Thermax Ltd/ Maruti Bitumen Pvt. Ltd

Treatment around pipes passing through walls (Core cut areas) all the pipes to placed / inserted in the core cut areas, shall be wrapped with approved liquid/coating adhered to the surfaces with approved liquid/coating Acrylic bonding agent and placed appropriately to be grouted around the cut bores. Grouting the gaps between the pipe and the core cutting by an edual shrinkage compensated cementitious grout with approved liquid/coating general purpose grout that shall be poured into the gaps after fixing in place an effective leak-free shuttering. Make: Asian Paints /STP / FOSROC/ Sika india Pvt.Ltd/ Choksey / MAPEI Constr Product India Pvt.Ltd/ Maruthi bitumen Pvt Ltd

Note for serial item No. 2 to 8 : The above treatment shall got executed by approved agency or by their authorized agents as approved by the GE. The contractor shall submit a written guarantee for effectiveness of the treatment for a Period of 8 years from the certified date of completion of the work.

PCC 1:5:10 type E-2 (40mm graded aggregate) as in foundation, filling and mass concrete complete all as specified and as directed.

5mm thick in CM(1:3) cement plastering to ceiling on concrete surfaces, finished even and smooth without using extra cement including taking down existing plastering all as specified and directed.

Demolition of brick work or stone / boulder masonry, built in cement mortar including all quoins, pillars etc., and disposal off unserviceable materials, debris to out side MD land complete all as specified and as directed.

Brick work with fly ash bricks, straight or curved on plan exceeding 6 M mean radius built in cement mortar 1:6 complete all as specified and as directed.

Brick work with fly ash bricks, straight or curved on plan to any radius in half brick thick walls built in cement mortar 1:4 complete all as specified and as directed

Dismantling of floor, hearth and wall tiles / stone slabs of any description or thickness as in floors, skirtings etc laid bedded and pointed in any mortar and removal of rubbish to out side MD land complete all as specified and as directed.

Non Skid ceramic tiles 7 to 8 mm thick ( square / rectangular) area of each tile exceeding 0.11 Sqm but not exceeding 0.18 Sqm, in floors etc. set and jointed in neat cement slurry and pointed in white or coloured cement to match complete all as specified and as directed. Make : Kajaria Ceramics Ltd / Asian Granito India Ltd / Somany Ceramics Limited / Varmora Granito Pvt Ltd / H & R Johnson India Ltd / Nitco / Orient Bell Ltd/ Oasis Vitrified Pvt Ltd (Premium Quality)

Coloured glazed ceramic tiles 450 x 350 x 7 mm thick over 10 mm thick rendering in CM 1:3 as in backing coat for fixing tiles on vetical surfaces such as dados etc complete all as specified and as directed. Make : Kajaria Ceramics Ltd / Asian Granito India Ltd / Somany Ceramics Limited / Varmora Granito Pvt Ltd / H & R Johnson India Ltd / Nitco / Orient Bell Ltd/ Oasis Vitrified Pvt Ltd (Premium Quality)

In repairs, PVC (SWR) pipe [ ISI MARKED ] 110 mm bore single socketed with rubber ring joints fixed to walls complete all as specified and as directed. Make : Supreme / Prince / Jain Irrigation / Kisan / Anant / Oriplast

Ditto all as per serial item No.18 but 75 mm bore

Complete removal of old existing treatment of wall, concrete or AC sheet surfaces and preparing old painted surfaces of walls and applying two coats of weather proof paint on external surfaces of walls ,including filling cracks with birla wall care putty and necessary scaffolding and safety precations complete all as specified and as directed. Make : Apex Ultima [Asian] / Extra Maxium Ultra [Shalimar] / Weather Coat [Berger Paints Ltd.] / Dulax / Royal Acrylic [Crimson Paints Pvt Ltd.] / Jotun India Pvt Ltd

Complete removal of old existing treatment of wall, concrete surfaces and preparing old painted surfaces of walls and applying one coat of weather proof paint on external surfaces of walls and necessary scaffolding and safety precations complete all as specified and as directed.

Complete removal of old existing treatment of wall surfaces and preparing old painted surfaces of walls applying two coats of oil bound distempered over a coat of alkali resisient primer all as specified and directed Make: Berger [Jadoo] / Nerolac / British Paint / Jotun India Pvt Ltd / Velvet Acrylic Distemper [Crimson Paints Pvt Ltd.] /Asian ( All 1st quality)

In repairs, Vitreous China Ware Wash hand basin white, Oval shaped of size 510 x 450 mm size including removing pillar tap and brackets and fixing new brackets complete all as specified and as directed. Make :M/s. Parry ware / M/s. Hindusthan Sanitary ware & Industries Ltd / M/s. Neycer Kemberg / M/s Cera ( All are 1st quality)/Jaquar & Company Pvt. Ltd. / Prayag

15mm dia bore pillar taps 200mm extension body fancy type 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 and fixed to WHB complete all as specified. Make : M/s Jaquar, Cat No.FUS-29021/Hindware / Orient / Seiko / Dripless

In repairs, Low density waste pipe 40 mm dia for working pressure rating 4 Kg / Sqcm with polyethylene union and check nuts 75 cm long suitable steel sink/wash hand basin waste fixed complete all as specified and as directed.

18mm to 20mm thick granite (of any type) work (table rubbed and polished) as in steps, jambs, pillars, window cills, cooking platforms and like laid on screed bed in cement mortar (1:4), 15 mm thick including pointing in white cement (1:2) using marble dust with admixture of pigment to match with shade of granite complete all as specified and as directed.

Dismantling of stone slabs & tiles of any description of thickness laid dry and pointed in any mortar, in floors, aprons etc. comlete all as specified and as directed

In repairs, Bib taps, cast copper alloy chromium plated fancy type with capstan head, screwed down, screwed for 15 mm dia bore iron pipe complete all as specified and as directed. Make : M/s Hindware / Orient / Seiko / Dripless

Fancy type chromium plated 15 mm bore Angle / plain Stop valves, cast copper alloy screwed down high pressure with crutch or butterfly handle screwed both ends for iron pipe or for unions including taking down the existing fitting complete all as specified and as directed. Make: M/s Hindware / Orient / Seiko / Dripless

Taking down existing health faucet and refixing at the same after tiling and GI tubing with 1m flexible pipe fixed to 15 mm bore iron pipe complete all as specified and directed.

In repairs, Vitreous China wash down water closed pan (pedestal Pattern) (ETWC)white including fixing bolts, 'P' or 'S' Trap including making good to floor to match with adjoining surfaces complete all as specified and as directed. Make of WC :Jaquar & Company Pvt. Ltd. / Prayag/ Cera [First Quality] / Hindware [Italian Collection] / Parryware [Superfine] / Johnson Pedder/Sanitary ware & Industries Ltd / M/s. Neycer Kemberg

In repairs, plastic water closet seat, white/ black, closed pattern with flat bottom, and cover and mild steel chromium plated or aluminium hinging device complete all as specified.

In repairs,10 litres capacity of Low level PVC flushing Cistern as fixed in repairs and including of 32mmdia PVC flush pipe to connect from flush cistern to water closet ( any pattern) and making good all the Joints all as specified. Make :Hindware / Cera / Parryware / Commander

In repairs 125 mm dia chromium plated shower rose with of without swivel joints complete all as specified and as directed.

In repairs, 20 mm outer dia of pipe 3-layer PP-R polypropylene random copolymer concealed pipes SDR 7.4 (PN 16) UV Stabilised and antimicrobial fusion welded having thermal stability for hot & cold water supply including all PP-R plian & brass threaded polypropylene random fittings fixed complete to walls, ceiling or in floors etc. complete, all as specified and directed. Make :- Savoir-Fair Manufacturing Co. Pvt Ltd / Reliance / Vectus / Finolex / Supreme

Ditto all as per serial item No.35 but 25 mm outer dia

Ditto all as per serial item No.35 but 32 mm outer dia

Ditto all as per serial item No.35 but 40 mm outer dia

Ditto all as per serial item No.35 but 50 mm outer dia

PVC(SWR) Plain floor trap 110 mm dia outlet with grating incl jointing with solvent cement fixed complete all as specified and as directed. Make : Jain Irrigation / Kisan / Supreme / Prince / Anant / Oriplast

Ditto all as per serial item No.40 but 75 mm dia

110 mm bore PVC (SWR) junction single, (Single T) equal or unequal including jointing with solvent cement complete all as specified and as directed.

Ditto all as per serial item No.42 but 75 mm bore

110 mm bore PVC (SWR) branch piece, single (single Y) equal or unequal with access door including jointing with solvent cement complete all as specified and as directed.

Ditto all as per serial item No.44 but 75 mm bore

110 mm bore PVC ( SWR ) , bends of any radius complete all as specified and as directed.

Ditto all as per serial item No.46 but 75 mm bore

Taking down chowkats or frames not exceeding 1.5sq.m. each with shutters (without taking off shutters from the frame) complete all as specified and as directed.

Factory made solid PVC door frame of size 100 mm x 45 mm made out of 5 mm plain colour PVC sheet reinforced with MS square tube manufactured as per SSR Part I specifications and drawing complete all as specified and as directed.

Factory made solid panel PVC door shutter 30mm thick style consisting of frame made out of MS tube for top and bottom rails.MS frame shall be covered with heat moulded plain colour PVC C channel having a PVC sheet strip of 20 mm width stuck inside with solvent cement for styles and plain colour PVC sheet for top and lock rail and bottom rail on either side and as gap insert for top rail & bottom rail:Panelling of plain colour PVC sheet to be fitted in the MS frame welded/sealed to the stiles & rails with suitable PVC sheet beading and joined together with solvent cement, supplying and fixing in the frame at site as per specifications complete all as specified and as directed. Note for Item No. 49 & 50 : Make of PVC frame / shutter / ventilator shall be of make : Kumar Arch Tech Pvt. Ltd / Sintex India Ltd. / Polywood / Rajashri Plastiwood Ltd. / Marino / Hindopan

125 mm long [ISI Marked] extruded Aluminium alloy anodised Butt hinges with galvanized mild steel hinge pin type B 22 complete all as specified and as directed.

100 mm long [ ISI marked ] extruded aluminium alloy handles, fabricated type, anodized complete all as specified and as directed.

Aluminium alloy anodised Sliding Door Bolt (ISI Marked) with hasp and staple [Bolt Type] of size 250 mm and fixing clips of sheet cast or extruded sections and fixing bolts and sliding bolts of extruded sections or cast aluminium alloy complete all as specified and as directed.

Aluminium anodised barrel Tower Bolt (ISI Marked) of size 100 mm long of extruded section complete all as specified and as directed.

Hand Shower (Health Faucet) with 8mm Dia, 1.2 meter long flexible tube & wall hook with non return valve (Back Flow Preventer) complete all as specified and as directed. Make: Jaquar Allied range Model No.ALD-577 / Marc / Cera / Parryware / Grohe / Crabtree / Blue Star & Silver Shine

In repairs,15mm 2way Bib cock with wall flange chromium plated including necessary fittings fixtures (GI Unions, Nipplea) complete all as specified and as directed. Make :Jaquar Cat. No. LYR 38041 / Marc / Cera / Parryware / Grohe / Crabtree / Blue Star & Silver Shine

In repairs, Vitreous China Squatting pan, "Orissa" pattern, size 580 x 440 mm white with integral foot rests and setting the trap and pan in cement concrete 1:3:6, type C 2 bedding, minimum 150 mm thick all round and finished just below level of rim of pan to receive the floor finishing and connection to trap and to flushing pipe, anti-syphonage pipe including making good to floor to match with adjoining surfaces complete all as specified and as directed. Make :Jaquar & Company Pvt. Ltd. / Prayag / Cera [First Quality] / Hindware / Parryware [Superfine] / Johnson Pedder/Sanitary ware & Industries Ltd / M/s. Neycer Kemberg

Preparation of old painted wood and wood based surfaces of any description, over 10 cm width or girth, not otherwise described and applying one coat of synthetic enamel paint, complete all as specified and as directed . Make :M/s. Asian Paints [Apcolite], M/s. Berger Paints [Luxol], Jenson & Nicholson [Brolac] all are 1st quality.

Preparation of old painted steel surfaces of any description, over 10 cm width or girth, not otherwise described and applying one coat of synthetic enamel paint, complete all as specified and as directed . Make :M/s. Asian Paints [Apcolite], M/s. Berger Paints [Luxol], Jenson & Nicholson [Brolac] all are 1st quality.

preparation of new or previously untreated steel and steel based surfaces of any description, not otherwise described, not exceeding 10cm width or girth and applying two coats of synthetic enamel paint (ordinary tint) over a coat of red oxide zinc primer complete all as specified and as directed. Make :M/s. Asian Paints [Apcolite], M/s. Berger Paints [Luxol], Jenson & Nicholson [Brolac] all are 1st quality.

Mild steel Framed work such as in grills and gratings,framed guard bars, barred iron doors, ladders, railings and with ends of bars shouldered and / or riveted or forged into spikes and similar work confirming to Fe 290 Gde E165 and necessary welding or fixing with screws complete all as specified and as directed.

P MURALIDHAR ENGINEERS AND CONTRACTORS

N Sydeswara Rao

RL ENTERPRISES