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| 1 | Note:1Designing of the complete mechanical ventilation system of basement of Vikas Sadan, New Delhi, including: Preparation of working drawings considering the existing ventilation system; Ensuring compliance with the requirements of local/statutory authorities such as the Fire Department; Adherence to the National Building Code (NBC) and good engineering practices; Incorporating necessary upgrades and modifications to meet current standards. All this will be in scope of agency.Note-2:Static pressure: The indicated static pressure and motor rating provided are provisional. The contractor is required to calculate the static pressure based on the final approved construction drawings and the pressure drop of the finalized equipment/items. These calculations must be submitted for review and approval by the department. Procurement of materials shall only proceed after verification and approval of the calculations and equipment selected. The minimum static pressure shall be 30 mm WG, but it may vary based on the final design and calculations. No additional payment shall be made for any increase in static pressure beyond the indicated value.Part A (SITC work)Supply, installation, testing and commissioning of following smoke spill tube axial flow fan confirming to BS 7346 Part-2 complete with MS double flanged long casing, impellers, pressure casted aluminium adjustable pitch blades, bird screen, gravity louvers (for smoke exhaust/fresh air fans), fire retardant double fold moisture and fire proof with flame retardant fabric confirming to IS 206 (revised) fire retardant flexible connections and necessary nut bolts. The fan operating temperature shall be 250 deg C for minimum 2 hour with totally enclosed electrical motor, IE 3 class motor with single speed and minimum IP 54 protection with direct driven TEFC squirrel cage induction motor and the air flowing from motor to the impeller. Motor shall be suitable for 415±10% V, 50 Hz, 3 phase a.c. supply.The fan should be synchorized with the existing fire alarm system. Each fan shall include all accessories complete as required. A) Axial flow fan a) 6000 CFM at designed static pressure, noise level to not exceed 80 dB at 3 meter distance (Fresh Air), Class F insulation motor |
| 2 | b) 4500 CFM at designed static pressure, noise level to not exceed 80 dB at 3 meter distance (Fresh Air), Class F insulation motor |
| 3 | c) 3000 CFM at designed static pressure, noise level to not exceed 80 dB at 3 meter distance (Fresh Air), Class F insulation |
| 4 | Smoke spill tube axial flow fan d) 4500 CFM at designed static pressure, noise level to not exceed 80 dB at 3 meter distance (Exhaust Air), Class H insulation motor |
| 5 | e) 3000 CFM at designed static pressure, noise level to not exceed 80 dB at 3 meter distance (Exhaust Air). Class H insulation motor |
| 6 | SHEET METAL DUCTINGSupplying, installation, testing, balancing and commissioning of factory fabricated GSS sheet metal of following thickness, confirming to IS : 277,ductingas per SMACNA standards(for both supply and exhaust air) complete with elbows, splitter dampers, bends, vanes, neoprene rubber gasket, hanging and supporting arrangement with nut and bolt as per specifications and standards and approved shop drawings to suit the pressure rating of fans complete as required.a) thickness1.25 mm sheet |
| 7 | b) thickness1.00 mm sheet |
| 8 | c)thickness0.80 mm sheet |
| 9 | d) thickness0.63 mm sheet |
| 10 | Supplying, installation, balancing and commissioning offabricatedat site GSS sheet metal, rectangular / round ducting of following thicknesscompletewithneoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc, as per approved drawings and specifications of following sheet thickness complete as required.a) thickness1.25 mm sheet |
| 11 | b) thickness1.00 mm sheet |
| 12 | c)thickness0.80 mm sheet |
| 13 | d) thickness0.63 mm sheet |
| 14 | Supplying, fixing, testing and commissioning of following powder coated extruded aluminium grilles/diffusers complete with nuts, bolts, screws etc. as per approved drawings and specifications.a) Supplying & fixing of powder coated extruded aluminium supply air grills with aluminium volume control dampers as per specifications. |
| 15 | Supplying & fixing of powder coated extruded aluminium return/exhaust air grills with louvers but without volume control dampers complete as required. |
| 16 | Supplying, fixing, testing and commissioning of powder coated extruded aluminium section fresh air / exhaust air louvers having an adjustable manual damper with bird screen with rain protection12 x 12 x 1.5 mm aluminium wire mesh complete with volume control device, flanged nuts, bolts, screens etc. complete as required. |
| 17 | Supplying,installation,testingandcommissioningof GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications. |
| 18 | Design, supplying, assembling, erecting, connecting, testing and commissioning of dust, damp and vermin proof free floor standing factory built sheet steel enclosed non-drawout modular type panel fabricated out of suitable sized angle iron and flats, base channel and covered with 2.0 mm thick PCRC sheet, duly painted complete with earth bus, aluminium bus bar, numbering & sign writing, interconnection & including the cost of connection through bus bar / copper conductor flexible connection with all accessories, rotary handles, phase barriers etc. complete as shown in drawing & as per specifications and mounted with the followings etc. complete as required. The LT panel will comprise MCCBs / MCBS and DOL starter as described below for incoming and outgoing power supplies and suitable for the axial fans (All the starters should have potential free contacts for remote/ fire control facility etc. complete).Electrical Panel as follows INCOMER a) 1 No. 125 A, 25 kA, (Ics=Icu) TPN MCCB with thermal magnetic overcurrent andshort circuit release complete withb) Digital flush type class- I accuracy with power load manager, showing V, A, KVA, KWH etc. with 3 nos current transformers of 250/5A ratio, 10 VA Class 1.0 metering. c) 1 Set of RYB phase indicating & ON/OFF/TRIP LED lamps with 2 A SP MCB\"s backup.Bus Bars: Electrolytic high conductivity aluminium three phase and neutral busbars rated at 415 V, 50 Hz., 150 A, insulated with heat shrinkable coloured PVC sleeves & clip on shrouds for joints.OUTGOINGa) 16 A 4P MCB \"C\" - 15 nos.b) Fully automatic DOL starter suitable for 1.5 kW motor including suitable MPCB type 2 selection, ammeter, push buttons, LED Indications, Auto/ Manual/ Off selector switch, SPPR, FRLS copper control wiring etc. Complete - 8 Set c) Fully automatic DOL starter suitable for 2.2 kW motor including suitable MPCB type 2 selection, Ammeter, Push Buttons, LED Indications, Auto/ Manual/ OFF selector switch, SPPR, FRLS copper control wiring etc. Complete - 5 Set d) Fully automatic DOL starter suitable for 3.7 kW motor including suitable MPCB type 2 selection, Ammeter, Push Buttons, LED Indications, Auto/ Manual/ OFF selector switch, SPPR, FRLS copper control wiring etc. Complete - 2 Set |
| 19 | SUPPLY OF LT CABLESSupplying offollowing szie heavy duty XLPE insulated / PVC sheathed armouredaluminium conductor power cable of 1.1 KV grade conforming to IS 7098 duly ISI markedinculding testing etc as required.a) 3½x70 Sq.mm |
| 20 | b) 4x 10 Sqmm. |
| 21 | c) 4x 6 Sqmm. |
| 22 | CONTROL CABLINGSupplying, laying, testing and commissioning ofPVC insulated Heavyduty armoured copper conductor control cable of 1.1 KV gradeconforming to IS : 7098 duly ISI marked on wall surface/cable tray/in trenches as required.a) 2x 1.5 Sqmm. |
| 23 | b) 4x 2.5 Sqmm |
| 24 | LT CABLE LAYING AND TERMINATIONSLaying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on wall surface as required.a) Up to 35 sq. mm (clamped with 1mm thick saddle) |
| 25 | b) Above 35 sq. mm and upto 95 sq. mm (clamped with 25x3mm MS flat clamp) |
| 26 | Laying and fixing of one number PVC insulated and PVC sheathed / XLPE power cable of 1.1 KV grade of following size on cable tray as required.a) Upto 35 sq. mm (clamped with 1mm thick saddle) |
| 27 | b) Above 35 sq. mm and up to 95 sq. mm (clamped with 25x3mm MS flat clamp) |
| 28 | S/M LV/MV Cable End Termination Supplying and making end termination with brass compression gland and aluminium lugs forfollowing size of PVC insulated and PVC sheathed / XLPE aluminium conductor cable of 1.1 KV grade as required.a) 3½ x 70 Sq.mm (38 mm) |
| 29 | b) 4x 10 Sqmm (25 mm) |
| 30 | c) 4x 6 Sqmm. |
| 31 | d) 4x2.5 Sqmm. |
| 32 | e) 2x1.5 Sqmm. |
| 33 | GI CABLE TRAYS AND PIPESSITC Cable TraysSupplying and installing following size of perforated Hot Dipped Galvanised Iron cable tray (Galvanisation thickness notlessthan50microns)withperforationnotmorethan17.5%,inconvenientsections,joinedwithconnectors, suspended from the ceiling with G.I. suspenders including G.I. bolts & nuts, etc. as required. a) 100 mm width X 50 mm depth X 1.6 mm thickness |
| 34 | b) 225 mm width X 50 mm depth X 1.6 mm thickness |
| 35 | Earthing Strip/Wires Providing & fixing 25mm x 5mm G.I. Strip on surface or in recess for earth connections etc. as required. |
| 36 | Providing and fixing 6 SWG dia G.I wire on surface or in recess for loop earthing alongwith existing conduit/cableas required |
| 37 | Earthing with GI earth plate 600mm x 600mm x 6mm thick including accessories, and providing masonary enclosure with cover plate having locking arrangement and watering pipe of 2.7 metre long etc. with charcoal/ coke and salt as required. |
| 38 | Part B (Repairing/ maintenance work of existing equipement)Dismantalling/removing of various capacity ceiling suspended type double skinned fresh air unit/exhaust air unit from ceilingcasing panels of 0.63 mm thick GI powder coated/pre-coated sheet on outer side and 0.63 mm thick GI plain sheet on inner side having fire proof glasswool insulation with 25 mm thickness density not less than 32 kg/m3, sandwitched between GI sheet panel including centrifugal forward curved DIDW Blowers, TEFC weather proof motor of IP-55 class F insulation, EFF 2, Direct/Belt drive and pulley mounted on motor and fan shaft, belt guard, motor & fan mounted on common base plate for extensive repair/renovation of units having blowers, shafts for greasing, alignment and balancing, painting of supporting structures whereever required and reassembling of machine in original shape and design to deliver/discharge the capacity of air flow etc including reinstallation at existing or new location as required. ( Capacity 2500 CFM to 6000 CFM). |
| 39 | Servicing/Minor repairs of various capacity ceiling suspended type double skinned fresh air unit/exhaust air unit casing panels of 0.63 mm thick GI powder coated/pre-coated sheet on outer side and 0.63 mm thick GI plain sheet on inner side having fire proof glasswool insulation with 25 mm thickness density not less than 32 kg/m3, sandwitched between GI sheet panel including centrifugal forward curved DIDW Blowers, TEFC weather proof motor of IP-55 class F insulation, EFF 2, Direct/Belt drive and pulley mounted on motor and fan shaft, belt guard, motor & fan mounted on common base plate for minor repair/minor overhaul of units with cleaning/servicing of blowers, motors, shafts, fans section, suction side etc including reinstallation at existing or new location as required. ( Capacity 2500 CFM to 6000 CFM). |
| 40 | Automatic Tripping cum Actuator Unit for Mechanical Ventilation SystemDesign, supply, installation, testing & commissioning of automatic tripping cum actuator unit for mechanical ventilation fan, AHU, lifts, electrical panel, fire damper etc., fabricated from 16 SWG M.S. Sheet, customized for wall / existing Panel mounting, complete with 24 V power supply arrangement and relay unit with base, NO + NC auxiliary contacts, d.c./a.c. fuse indicator, auto manual switch, on/trip indication etc., suitable for operation on 230 V power supply, complete as per the directions of the Engineer-in-Charge. |
| 41 | Supplying, installation, testing & commissioning of addressable fire relay control module (Make: Essar Honeywell) for use in intelligent, two-wire systems where the individual address of each module is selected using the built-in rotary switches for controling the panel/ exhaust & fresh air fans for integration of existing mechanical ventilation system with existing addressable fire alarm system to make it auto operational in case of fire complete as required. |
| 42 | Dismantaling, checking, servicing, replacing gasket etc. as required of existing duct and, reinstalling, testing & commissioning of the same after carrying out necessary repair on existing locations or other locations as per site requirement. |
