|
| 1 | Taking down carefullyceiling fan of any sweep with frame cable sealing end and dismantling of blades,brackets etc complete. Opening & dismantling of ceiling fans body any sweep cutting and taking out old burnt/damaged winding/material/bearing, cleaning with grease oiland painting the ceiling fan by shiny white colour of recommended quality, re-assembling including provision of PVC copper twisted conductor three core of size 1.5 Sqmm of required length and testing complete all as specified and as directed. |
| 2 | All as per item No 1.00 but Exhaust fan of any sweep.Note for itemNo 1 to 2:-Spare parts shall be measured and paid seperately under respective item schedule as supply only if required.(a) Repairs under serial item No. 1 & 2here in before shall be carried out at the site of work except rewinding where not required.(b) Rewinding under srl item no 1 & 2 shall be done with winding machine workshop and paid under item No 3 & 4 respectively.(c) Fans will be given to contractor underGate Pass in Lots of appx 50 Fans and the same shall be returned by contracter in 10 Days time after all repairs and painting.And the panelity for not receipt of repair fan in stipulated time shall be Rs 20 per fan per day. |
| 3 | Re-winding the burnt/short circuited winding for ceiling fan of (1200/1400 mm) sweep with same guage super enameled copper wire to maintain speed at load with using super enamelled copper wire of existing/same SWG including all insulating material all as required as per standard practice, varnishing the same and drying. |
| 4 | Re-winding the burnt/shourt circuited winding for exhaust fan of (300 / 450 mm) with same cauge supper enameled copper wire to maintain speed at load with using super enamelled copper wire of existing/same SWG including all insulating mterial all as required as per standard practice, varnishing the same and drying. |
| 5 | Supply only bearing of ceiling fan of make/type suitable for fan to be repaired as specified and directed by Engr-in-Charge |
| 6 | Supply only bearing of Exhaust fan of make/type suitable for fan to be repaired as specified and directed by Engr-in-Charge |
| 7 | Supply only bushings suitable for ceiling/ exhaust fan any sweep and oiling complete all as specified and as directed by Engineer-in-Charge. |
| 8 | Supply only rubber reel with clamps ,nut bolts washers and split pin of suitable size all as specified and directed. |
| 9 | Supply only fan canopy plastic body suitable for any type/any make/any sweep of ceiling fan all as specified and directed . |
| 10 | Supply only ceiling fan down rod 15mm dia 45mmlongsuitable for any type of ceiling fan all as specified and directed. |
| 11 | Supply only metallic blade (three blade set) for 1200mm ceiling fan (good quality)all as directed by Engineer-in-Charge. |
| 12 | Supply only Bracket , legs and rubber bush suitable for existing exhaust fan of any size all as directed by engineer-in-Charge. |
| 13 | Supply only metallic blade (four/three blade set) for exhaust fan 450/350/300/250 mm all as directed by Engineer-in-Charge. |
| 14 | Supply only capacitor50 Hz 2.5 MFDand connect the same in circuit and testing complete all as specified and directed by Engineer-in-Charge |
| 15 | S&F in repairs stepped type electronic fan regulator 240 V 50 HZ,100 Watts flush type (ISI marked) on the existing phenolic laminated sheet etc complete all as specified and directed. |
| 16 | S&F in repairs modular type stepped electronic fan regulator 240 V 50 HZ,100 Watts modular type (ISI marked) on the existing sheet etc complete all as specified and directed. |
| 17 | Supply and fix in repairs exhaust fan motor for (300/450) mm sweep of desired specifications (ISI Marked) to maintain current speed,air flow at load. |
| 18 | Supply & fix in repairs louvers of appropriate size for exhaust fan of (300 / 450 mm) sweep. |
| 19 | Supply & fix in repairs fasteners of appropriate size for exhaust fan of (300 / 450 mm) sweep. |
| 20 | Supply & fix in repairs louvers of appropriate size forfresh air fans of size 200mm sweep and all as directed by Engr-in-charge |
| 21 | M&L for taking out unserviceable sealed unit(Reciprocating compressor) 1.5 ton capacity, single phase, 230 volt of anyMake including necessary modification of the foundation asrequired to suit the compressor, vacumisation, pressure, testing, leakage, rectification including gas charging R-22 and testing complete to the entire satisfaction of Engineer-in-Charge. |
| 22 | All as per item No. 21.00 above but 2 TR capacity.Note for Item No 21.00 and 22.00:The unserviceable (Reciprocating compressor) sealed unit obtained in replacement shall be the property of the contractor and no charges shall be levied from the contractor for the same. |
| 23 | M&L for taking out unserviceable sealed unit(Rotary compressor) 1.5 ton capacity, single phase, 230 volt of any Make including necessary modification of the foundation asrequired to suit the compressor, vacumisation, pressure, testing, leakage, rectification including gas charging R-22 and testing complete to the entire satisfaction of Engineer-in-Charge. |
| 24 | All as per item No. 23.00 above but 2 TR capacity.Note for Item No 23.00 and 24.00:The unserviceable (Rotary compressor) sealed unit obtained in replacement shall be the property of the contractor and no charges shall be levied from the contractor for the same. |
| 25 | M&L for taking down and rewinding of condensing fan motor of capacity 1/35, 1/20, 1/6 HP or 1/5 HP of any make with super enameled copper wire of any makeincluding replacement of the motor bushes and shaft and testing on load for the entire satisfaction of Engineer-in-Charge. |
| 26 | S&F in repairs running capacitor of capacity 45 to 50 MFD, 440 volts, 50 Hz. |
| 27 | S&F in repairs blower fan motor of capacity 1/20 HP, Single Phase (As per sample). |
| 28 | S&F in repairs Running capacitor of capacity 5MFD/6 MFD, 230 volts, 50 Hz. |
| 29 | Supply onlyBlower Motor, single phase 230 Volts 1500 RPM,suitable for1.5 -2.0 TR Split type Air Conditioner. |
| 30 | Supply only Plastic filter as per existing makes for Window/split type AC 1.5-2 ton capacity. |
| 31 | Replacement of U/S remote control with existing make for Window/split type AC 1.5-2 ton capacity. |
| 32 | Supply only Blower Motor, single phase 230 Volts 1500 RPM,suitable for Window type AC 1.5-2 ton. |
| 33 | S&F in repairs Starting capacitor of capacity 80-120 MFD, 230 volts, 50 Hz. |
| 34 | S&F in repairs condensing fan motor 1/5 HP for 1.5/2.0 ton single phase, 230 volts, 50 cycle per second suitable forwindow type AC (As per sample) |
| 35 | S&F in repairs condenser for window type AC 1.5 ton capacity of any make including charging of gas R-22 all as directed by Engineer-in-Charge. |
| 36 | S&F in repairs cooling coil for window type AC 1.5 ton capacity of any make including charging of gas R-22 all as directed by Engineer-in-Charge. |
| 37 | S&F in repairs thermostat suitable for any make of window type AC 1.5/2.0 ton capacity. |
| 38 | M&L for finding out the leakage with the pressure test of the condenser or cooling coil of window type AC/splittype AC of 1.5/2.0 ton and dismantling the same for repair, reassembling the same after repair the leakage point by brazing/soldering including charging the gas R-22 and testing the AC to the entire satisfaction ofEngineer-in-Charge. |
| 39 | All as per item No. 38.00 above but Gas chargingR-410/R-406 complete as specified here in above. |
| 40 | M&L for replacement ofPCB control card suitable for 1.5/2.0 TR capacity window type AC, single phase. |
| 41 | Reparing ofPCB control card suitable for 1.5/2.0 TR capacity split type AC, single phase. |
| 42 | M&L for servicing of window type AC of 1.5/2.0 tone capacity by taking out the same from existing location, cleaning of condenser, cooling coil, and other components with cooling coil rinse solution and clean water, greasing of fan, motor, blower etc without damage any part and reinstall at the same location all as directed by the Engineer-in-Charge. |
| 43 | All as per item No. 42.00 above but split type AC complete. |
| 44 | S&F in repair copper tube of size ?” dia for any capacity of split type AC all as specified. |
| 45 | All as per item No.44.00 above but size¼” complete. |
| 46 | M&L for insulating foam pipe of size ?\", ¼\", and ?\" dia of split type AC any capacity for both indoor and outdoor unit all as specified. |
| 47 | M&L for fan blade of suitable size for any capacity of window/Split type AC all as specified. |
| 48 | S&F in repairs flexible PVC waste water pipe, 15/20 mm dia, of split type AC any capacity and any make all as directed by Engineer-in-Charge. |
| 49 | Supply, laying and commissioning of cable PVC sheathed with multistranded copper conductor cable of size 3 core 4 sqmm and including PVC conduit complete. |
| 50 | S&F in repairs MCB SP 25 Amp, ‘C’ curve type, 10 KA thermomagnitic. |
| 51 | S&F in repairs of overload protector relay of any make or any type AC of any make and any capacity all as specified. |
| 52 | S&F in repairs 3 pole contactor AC 3 rating 32 Amp suitable for ductable AC any capacity as required. |
| 53 | S&F in repair electronic circuit board with relay suitable for 4/5 KVA voltage stabilizer of any make and testing complete all as directed by Engineer-in- Charge. |
| 54 | S&F in repairs auxiliary transformer for 4/5 KVA voltage stabilizer complete. |
| 55 | S&F water tray of split type AC inner unit of any capacity and make AC as approved by Engineer-in-Charge. |
| 56 | M&L for in repairs sub main wiring with two runs of PVC insulated but unsheathed multi stranded copper conductor FRLS cable 1100 volt grade of size 6 Sqmm and one run of6 Sqmm single core PVC insulated but unsheathed multi stranded copper conductor FRLS cable 1100 volt grade as earth lead drawn through in and includingnon metallic PVC conduit of size 25 mm dia (external) with wall thickness not less than 1.8 mm, ISI marked concealedin wall includingaccessories like bends, tees junction boxes, etc fixed in wall or ceiling etc. including 2.5 sqmm PVC insulated but unsheathed multi stranded copper conductor FRLS cable 1100 volt grade as earth wire complete.NOTE: Two runs of cable with one run of earth wire and PVC conduit shall be measured & paid for as one length per unit. |
| 57 | S&F in repair MCB SPN 25 Amp ‘C’ curve type, 230 volts, 10 KA thermo magnatic. |
| 58 | S&F in repair MCB SPN 20 Amp ‘C’ curve type, 230 volts, 10 KA thermomagnatic. |
| 59 | M&L for shifting ofACany type and capacity, from one location to another location including complete wiring, replacement of copper tubing with provn of complete insulation and leakage if any incl gas charging and testing after installation complete as directed byEngineer-in-Charge. |
| 60 | S&F in repairs of condenser unit split type AC 1.5/2.0 Ton L& key valve 5/8\" size with proper leak check all as directed by Engg -in charge. |
| 61 | All as per item No. 60.00 but 1/4\" size complete. |
| 62 | S&F in replacement3 pin plug top iron body type cap 20 Amp AC 240 Volts 50 Hz complete. |
| 63 | Supply and fix sheet metal enclosure SPN with a two pin and earth plug socket complete including with 32Amps MCB \"C\" single pole 240 Volt AC |
| 64 | S&F in repairs Running capacitor for indoor coil motor of capacity 1.5/2/2.5 MFD, 230 volts, 50 Hz ,all as per sample required at site and directed by Engineer -in-Charge. |
| 65 | M&Lfor repairs of caplliary tube of split /window type AC capacity 1.5/2.0 Ton andall as per directed by Engineer -in-Charge. |
| 66 | S&F single pole contactor suitable for split type AC capacity 1.5/2.0 Ton all as per directed by Engineer -in-Charge. |
| 67 | S&F in repair offlair nut size 5/8\" and 1/2\"dia for any capacity of split type AC all as specified. |
| 68 | All as per item No.67.00 above but size 3/8\" and 1/4\" . |
| 69 | S&F in repair of dead nut size 1/4 \"\" dia for any capacity of split type AC all as specified. |
| 70 | M&L for fabricationof canopy stand for outdoor split typeAC unitwith 40mm x 6mm thick angle iron with flat strip including welding , cutting & installed at site with locking arrangement all as per directed by Engg-in -Charge. |
| 71 | M&L for disconnecting, taking down and refixing the same after repair/servicing of thegeyser of any capacity/any type including removing flouride/other metarials, cleaning the tank,detection and removal of the leakage of the inner tank, checkingthe servicebility of the thermostat, elements and other connected items. Tightening the hold fastners ,nuts, bolts, washer etc complete and including making good to disturbed existing surface with plastering all as dircted by Engr-in-Charge.Note:- The items used for repair/replacement will be paid separately in Supply only. |
| 72 | Supply only heating element of Geysers of 1.5 KW rating required at site including rubber washers of any make (ISI Marked) |
| 73 | All as per srl item No 72 above but 2 KW ordinary size any make/any type as directed by Engr- in -charge. |
| 74 | Supply only 2 KW roundal plate type 9 hole ISI marked |
| 75 | Supply only 2 KW roundal plate type 6 hole ISI marked |
| 76 | Supply only thermostat for the Geyser of 25 ltrcapacity ISI marked |
| 77 | All as per srl item No 76 above but 50 ltr capacity. |
| 78 | Supply only base assembly(6/9 holes) complete with inlet, outlet and thermostat pipe with drain plug and screw for fixing the element inclusive of clamps for holding the element with nut and bolts, washer all as directed by EIC for Geyser of capacity 25 litre |
| 79 | All as per srl item No 78 above but for cap 50 ltr capacity. |
| 80 | Supply only GM non return valve 15mm dia and connecting up complete ISI marked |
| 81 | All as per item No 80 but size 20 mm dia complete. |
| 82 | Supply only safety valve/high pressure release valve for Geyser of 25 Litres capacityISI marked |
| 83 | All as per item No 82 above but for cap 50 ltr complete. |
| 84 | Supply only PVC heavy duty hot type connecting pieces nylon braided with brass adopters 600 mm/450 mmlong and fixing in position suitable for Geyser of25/50 Litre capacity |
| 85 | Supply only pvc sheathe copper conductor multistranded cable ISI Marked 03 core PVC insulated of size 2.5 sqmm as specified. |
| 86 | Supply only plug top 3 pin 15 Amps of iron body ISI marked. |
| 87 | Supply only socket of industrial metal clad box 3 pin 20 Amps ofbodyISI marked. |
| 88 | M&L for single pole and neutral metal clad enclosures with a two pin and earth plug and socket complete with one single MCB 20 amps ‘C’ curve type and electrical connection all as directed by Engineer-in-Charge. |
| 89 | Supply and fixing industrial type socket plug top including 3 Core x 2.5 Sqmm copper multi stranded 1.50 m long including necessary connection all as directed by Engineer-in-Charge. |
| 90 | Supply only 02 Nos of bottom cover suitable for any type/any size of Geyser. |
| 91 | Supply only geyser inlet tank made out of heavy duty copper body of capacity for 25 Litres. |
| 92 | All as per item No 91 above capacity for 50 Litres capacity |
| 93 | Supply only rubber ring for geyser 9 holes at site/MES store yard. |
| 94 | Supply only rubber ring for geyser round type at site/MES store yard. |
| 95 | Supply only geyser indicator lamp square type/round type |
| 96 | Supply only geyser glass wool stranded capacity for 25/50 Ltrs |
| 97 | M&L for disconnecting and refixing the same after repair/servicing of the desert cooler of any capacity after repairing of tank leakage, cleaning of tank and checking of motor and legs vibration, motor noise,servicing of sumbersible pump,switch, regulator and motor connection and legs welding, tightening the hold fast ,nuts, bolts, washer etc complete all as dircted by Engr-in-Charge.Note:- Supply items used for repair will be paid separately here in after. |
| 98 | Supply only capacitor 4 MFDand connect the same in circuit and testing complete all as specified & directed by Engineer-in-Charge. |
| 99 | Supply only desert cooler pad (set of three)any make/any type as directed by Engr- in -charge. |
| 100 | Supply only desert cooler motor kitany make/any type as directed by Engr- in -charge. |
| 101 | Supply only 6 Amp switch for cooler any type as directed by Engr- in -charge. |
| 102 | Supply only desert cooler regulator 300/400 wattany make/any type as directed by Engr- in -charge. |
| 103 | Supply only desert cooler motorany make/any type as directed by Engr- in -charge. |
| 104 | Supply only 6 Amp plug top for cooler as directed by Engr- in -charge. |
| 105 | Supply and fixing industrial type socket plug top including 3 Core x 1.5 Sqmm copper multi stranded 1.50 m long including necessary connection all as directed by Engineer-in-Charge. |
| 106 | Supply only flexible pipe for cooler as directed by Engr- in -charge. |
| 107 | Supply only cooler grillany make/any type as directed by Engr- in -charge. |
| 108 | Supply only submersible pumpany make/any type as directed ISI marked by Engr- in -charge. |
| 109 | Supply only PVC angle T for cooler pipeline any make/any type as directed by Engr- in -charge |
| 110 | Supply and fix in replacement PVC fresh air fan 150/200/250 mm sweep with louvers, fan motor and accessories complete including making connections.Note :- Old u/s fan will be deposited in MES store. Necessaey expance vouchers for BER will be recorded in MB prior to replacement by Engineer- in- Charge |
| 111 | Supply only Fan BladePVC/ironbody with nut, Bolt, washer for (3000/4000) CFM Desert Cooler of any make all as per existing one complete all as specified and directed by Engr-in-charge |
| 112 | S&F in repair iron frame clamp as per existing one with required no. of nut & bolt to hold fan as well as motor of Desert cooler all as specified and directed by Engr-in-charge |
| 113 | Supply & fix wooden shelving padfor Desert cooler each (set of three) for 3000/4000 CFM & all as directed by Engr-in-charge. |
| 114 | Dismantling/taking down of water cooler (40/80) Ltr for repair such asfan motor,compressor and other minor rep & fixing works as in item no.114to119 from any place any capacity, transported to workshop & backafter repair and testing complete all as specified and directed(i)Spare Parts required for replacement shall be measured separately under respectivesupply only items given here-in-after for item no. 114 to 119.(ii) Gas will be measured and paid separately. |
| 115 | Supply only Compressor ( Sealed unit ) suitable for 40/80 Ltr. Water Cooler. |
| 116 | Supply only Fan Motor 1/10 H.P Single phase,230V for water cooler. |
| 117 | Supply only Thermostate for water coolerISI marked,complete all as specified and directed. |
| 118 | Supply only Starting capacitor 60 to 80 MFD 230 volts, 50 Hz. |
| 119 | Supply only over loadrelay suitable for Water cooler 40/80 ltr. |
| 120 | Supply onlyFan Motor blade as per sample all as directed. |
| 121 | RefrigeratorChecking of unservisable/ faultyRefrigerator (180 to 320) Ltr capacity installed in various locations for proper repair and testing of Fan motor, thermostatic switch, over load protector relay, box type relay, evaporator coil assembly etc. complete all as specified anddirected by Engr-in-charge.( i) Replacement ofcompressor shall be measured and paid separately( ii)Spare Parts required for replacement shall be measured separately under respective items as supply only given here-in-after (122 & 125 to 128)( iii) Gas will be measured and paid separately. |
| 122 | Supply only fan motor with existing make for refrigerator of capacity (180 to 320) Ltr all as specified and as directed by Engineer-in-Charge. |
| 123 | Supply and fixing in repair of compressor (sealed unit) with relay suitable for refrigerator of capacity (180 to 315) Ltr all as specified and as directed by Engineer-in-Charge. |
| 124 | Supply and fixing in repair of compressor (sealed unit) with relay suitable for refrigerator of capacity 320 Ltr all as specified and as directed by Engineer-in-Charge. |
| 125 | Supply only in replacement of Thermostatic switch with knob suitable for Refrigerator. |
| 126 | Supply only in replacement of over load protector relaysuitable for refrigerator of capacity ranging from 180 to 320 Ltr all as directed by Engr-in-charge. |
| 127 | Supply only in replacement of Box type relay suitable for refrigerator (180 to 320)Ltr capacity Engr-in-charge. |
| 128 | Supply only in replacement of Evaporator coil assembly of existing make for refrigerator (180 to 320) Ltr capacity Engr-in-charge. |
| 129 | Supply & fixin repairs of Magnetic door gasket for refrigerator (180 to 320) Ltr capacity Engr-in-charge. |
| 130 | Supply & fixin repairs of freezer door for refrigerator (180 to 320) Ltr capacity Engr-in-charge. |
| 131 | VOLTAGE STABILISERRe-winding the burnt/short circuited winding for Voltage stabilizer of 4/5KVA rating capacity single phase 230 Volts of any make with same gauge super enameled copper wire complete as specified. |
| 132 | Re-winding the burnt/shourt circuited winding for Voltage stabilizer of 2KVA rating capacity single phase 230 Volts of any make with same gauge super enameled copper wire complete as specified. |
| 133 | Re-winding the burnt/short circuited winding for Voltage stabilizer of 1KVA rating capacity single phase 230 Volts of any make with same gauge super enameled copper wire complete as specified. |
| 134 | Supply and replace Unserviceable Plug and socket board with metal plug and socket (1 phase+neutral & earth) with 20 Amp rating DP MCB of accordance with IS 13032, IS 8623, IEC/BSEN 61439-3. |
| 135 | Supply and fix vegetable box for capacity 180 to 320 Ltr refrigerator complete all as specified and directed by Engr-In-Charge. |
| 136 | Supply and fix toughened glass (4.8 mm thick) for vegetable box for 180 to 320 Ltr capacity refrigerator complete all as specified and directed. |
| 137 | Supply and fix toughened glass (4.8 mm thick) bottle self of capacity 180 to 320 Ltr capacity refrigerator complete all as specified and directed. |
| 138 | Supply and fix Lamp with holder/Base plate and top toughened glass of capacity 180 to 320 Ltr capacity refrigerator complete all as specified and directed. |
| 139 | Solar Water Heater Descaling of Solar Collectors plate connected to solar water heater of various capacity (by circulating descaling solution/agent for 20-30 min.) cleaning entire surface (dismantaling of plates shall be carried out if required, including fixing, soldering if required) and cleaning of tank of capacity 100/200/300/400 LPD by solar descaling (such as mil acidic solution/agent including drain out all scales, dust dirt by pressure pipe cleaning & replacemen of U/S drain plug along with all required work such as welding, threading, etc all as specified and directed. |
| 140 | Supply and fix in replacement of old unserviceable water tank of flat plate solar water heater/ Evacuated tube solar water heater of capacity 100/200/300/400 LPD along with all connecting items like nut bolts gasket soldering welding etc complele all as specified and directed. |
| 141 | M&L for cladding ofinsulated rubber (rock wool/ mineral wool/ fibre glass wool) as per fixed on site including one layer of aluminium sheet/ flakes cover on outlet/ air vent of solar water heater GI pipe in a manner to minimise any type of heat lossescomplete all as specified and directed by engineer in charge. |
| 142 | Supply & fix in replacement of Unserviceable forged brass ball valve screwedof size 20mm dia. |
| 143 | Supply & fix in replacement of Unserviceable Gate valve of size 20mm dia cast copper alloy ISI marked. |
| 144 | S&F in repair unserviceable EPDM sheet including required nut, bolt and washer set at both end , used for jointing two flat plate collector/ at end of solar flat plate collector or connection of tubes in evacuated tube solar water heater complete all as specified and directed. |
| 145 | Supply and fixing in replacement heating element3000 watt alongwith thermostat of suitable shape and size fitted in Solar water heater tank, conforming to ISI with rubber washers, with clamps all as specified and directed by Engr-in-charge. |
| 146 | Supply and fixing in replacement U/S stem type thermostat with switch/nob suitable for Solar water heater all as specified and directed by Engineer - in - Charge. |
| 147 | Supply and fixing in replacement GI tubing, medium grade in short lengths with all fittings such as elbow, tee, socket, nipple, reducing socket, reducing elbow, reducing tee including guttees / saddles etc of size 20 mm bore and fixed to wall / floor / ceiling including connection tomixing arrangements of hot / cold waterand making good disturbed surfaces all as specified and directed by Engineer - in – Charge. |
| 148 | Supply and replace Unserviceable Plug and socket board with metal plug and socket (1 phase+neutral & earth) of 20 Amp rating DP of accordance with IS 13032, IS 8623, IEC/BSEN 61439-3. |
| 149 | S&F in repair SP MCB ranging from 6 to 32 Amp B-Curve type 240 Volt, 50 Hz AC supply with breaking capacity of 10 KA in accordance with IS/ IEC 60898-1. |
| 150 | M&L in repair for MS Cross arms, bracings, supports,clamps and back plates fabricated from structural steel sections including nuts, bolts, washers,welding, bending cold or hot,drilling holes for bolts, in any shape or size as indicated or directed and provn oftwo coat of systhic enamed pait over a coat of red oxide primer complete primerall as specified and directed by Engr-in-charge. |
| 151 | M&L for Providing precast cement concrete slab set in cement mortar 1:6of type B1 (1:2:4) 20mm graded aggregates for stand of solar water heater all as specified and directed. |
