Tender For supplying items for the new integrated high court complex at bandra government colony, cts no. 629/1234/a, bandra (east), mumbai. - all concrete should be admixed with integral hydrophilic crystalline admixture (16bars) reputed makes like bulwark. taskmek, grace or equivalent for reducin permeability by more than 85% when tested as per din 1048 part 5 (after applying cycles of hydrostatic pressure), for self-healing of cracks up to a width of 0.40 mm, for reduced sulphate attack and for high early strength of concrete etc. this should meet the requirements specified in the recommended dosage rate of 1% complete as per manufacturers specifications to the entire satisfaction of engineer-in-charge. hydrophilic crystalline admixture shall also have a corrosion inhibitant property and shall be compatible with any other water reducing concrete chemical admixtures added to concrete for workability purpose. crystalline formation shall be mix of cylindrical & circular in shape to have maximum filling of pores the admixture used shall have manufacturers test reports and approval mandatorily both from iits and irc (indian road congress). approved makes: pidilite/ technonicol/ myk/ mapei, providing & applying 2 components, solvent free, liquid applied elastomeric seamless hybrid polyurea polyurethane membrane, using high pressure plural component spray equipment, to form a minimum system thickness of 1.5 mm in two or more passes with a total consumption of 1.5-1.6 kg / m2. the membrane shall have 100% solids, voc free, tensile strength > 15 mpa as per astm d 412, elongation > 450% as per astm d 412, low temperature crack bridging ability of 3.2mm as per astm c 1305, shore a hardness > 85 astm d 2240, puncture resistance > 1000 n as per astm e 154, water head resistance > 7 bar as per astm d 5385.the coating should pass dynamic crack bridging as per en 1062-7, method b for 20,000 cycles at -20 degree temperature. the membrane shall exhibit 25 years of service life tested and complied in accordance with en 13251:2016 durability certification. apply primer coat of epoxy primer by roller/ airless spray guideline and coverage @ 5-6 m2/ltr depends on porosity of concrete. allow to cure for max 5-6 hours. broadcast anti slip grains of 200-300 micron (dried sand) on wet primer at coverage of 0.8-1 kg/m2 and allow to come to touch dry condition before application of membrane. approved makes: pidilite/ technonicol/ myk/ mapei, supplying and installing 1.5 mm composite thick fully bonded weldable hdpe membrane conforming to is 16471:2017 requirements of ug waterproofing structures, requirements to provide type a fully bonded protection of ug waterproofing structures. the membrane shall exhibit 25 years of service life tested and complied in accordance with en 13251:2016 durability certification. the membrane should be minimum 2.4 m wide comprising of an hdpe layer and a pressure sensitive adhesive layer which is covered by a weatherproof protective layer with lap joint strength at overlaps >15000 n/m astm d 6392:2012. the membrane shall have minimum of 100 mm side and end laps which shall be thermos fused with leister machines at all the joints for assuring watertightness and achieving monolithic membrane. end laps and side laps should be a minimum of 100 mm with double weld system, comprising of two parallel welds of 15 mm wide each with a 20 mm air channel gap in between the two weld lines. the size of the membrane should not be less than 2.4 mtr. x 20 mtr. to minimize the joints. this membrane shall be continued over the vertical surface but terminated minimum 100mm below the top edge of the raft slab/footings and fixed as per recommendation. the hdpe membrane should have the below mentioned technical properties- 1) lap joint(side and end lap) strength at overlaps 15000 n/m astm d 1876 2) resist hydrostatic pressure of 70 m head of water as per astm d5385 3) puncture resistance of 1000 n as per astm e1544) peel adhesion to concrete of 150
Tender For supply of deluge system equipment for msb unit for nrep - a. deluge water spray systems (mvws system + water curtain system + hvws system)cs deluge valve with dry pilot trim & electric release trim, horizontal inlet & horizontal outlet, without skid, ul/fm approved, complete with dry pilot trim with test, alarm & drain devices, local deluge valve control station (dvlcs) (1 no. per dv), pressure transmitters (02 nos per dv.), 3/3 way sil2 certified intrinsically safe solenoid valve-24v dc (1 no. per dv), pressure gauges (03 nos. per dv), air filetr regulator (afr)(1 no. per dv), air vessel of adequate capacity (1 no. per dv), etc. in compliance with the scheme shown in attached "technical data sheets for fire fighting & safety equipment (tk-1p21a-sa-dat-0001)".the deluge valves shall be supplied with the trim and associated instruments duly assemblied with the deluge valve and with suitable packaging to avoid damage during transportation. the upstream strainer, block valves and by-pass valve including the pipes connecting to these items are not in bidders scope of supply.all items shall be suitable and certified for zone 1,iic,t3 area classification. all electrical and instruments shall be certified for intrinsically safe (ex-ia) and solenoid valve shall be certified to explosion proof (ex-d). all instruments and enclosures (junction boxes/ cabinets/panels/ accessories) in field shall be dust proof and weather proof with ip-67., 200 mm nb, 150 mm nb, 100 mm nb, 80 mm nb, mvw spray nozzle with 1/2" mnpt end connection, moc - stainless steel, ul / fm listed, (with inbuilt strainer): size 15 nb, mvw spray nozzle with 1/2" mnpt end connection, k factor-18, spray angle 120 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-18, spray angle 110 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-18, spray angle 90 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-22, spray angle 110 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-22, spray angle 90 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-26, spray angle 120 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-26, spray angle 90 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-30, spray angle 120 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-30, spray angle 110 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-30, spray angle 90 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-35, spray angle 110 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-35, spray angle 90 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-41, spray angle 90 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-51, spray angle 110 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-51, spray angle 90 , moc - stainless steel with corrosion resistant coating, ul listed., mvw spray nozzle with 1/2" mnpt end connection, k factor-79, spray angle 90 , moc - stainless steel with corrosion resistant coating, ul listed., quartzoid bulb detect
Tender For supply of refrigerantrecoveryunit consisting of 1) gas recovery machine suitable for r - 22 , r - 407c and other category iv refrigerants working in 230 v ac, 50hz, 0.75 hp motor, 1450 rpm, oil less a ir cooled , piston type with automatic safety shut off at 38.5 bar (min), recovery rate (liquid) not less than 1 .8 kgs / min equivalent to value make model no. vrr 12 l - 1 no 2) empty cylinder 10 kg - 1 no 3) double gauge manifold - 1 no make acceptable - appion, robinair, inficon, value or similar [ warranty period: 30 months after the date of delivery ]