Additional work for Air Conditioning and IPMS work at periyar Bus stand shopping complex

PRE INSULATED BALL VALVES (CHW PIPING) : Supply, installation, testing & commissioning of 3-piece socket weldable type Ball Valves designed for Domestic, air-conditioning applications with female thread connections, Carbon steel material-nickel plated, Handle in steel; 1000 kPa working pressure; 60 deg C operating temperature as per specification. Please include the cost of insulation 32 mm dia

25 mm dia

PRE-INSULATED Y-STRAINERS (CHW PIPING) : Supply, installation, testing & commissioning of 1000 kPa working pressure; cast-iron body, flanged ends for DN65 and larger, threaded connections for DN 50 and smaller, bolted cover, perforated stainless-steel basket, and bottom drain connection. Use CS Hot dip Galvanized lab joint flanges conforming to IS 2062 to suit SS stub ends. SS stub ends conforming to ASTM A 403 Gr. WP 304-S, short neck with 125 AARH face finish to suit ANSI150 Lap joint flanges. The bolt length shall be suitable for fixing lock nut .The complete valve assembly shall be insulated with similar insulation of chilled water piping as per specification. 80 mm dia

65 mm dia

50 mm dia

2-WAY MODULATING VALVE: Supply, installation Testing and Commissioning of 2-way modulating type control valves with actuators with inbuilt PID logic controller and room temperature sensor. The cost of the valve shall include the cost of insulation of valves with 50 mm PUF insulation covered with polystyrene sheet and finished with 24 G aluminium cladding., power wiring to valves from AHU panel, installation of room temperature sensors, cabling & conduiting. 11.1 CMH, Dia 65 MM

DIAL TYPE THERMOMETER: Supply, installation, testing and commissioning of Indicating-dial type, 100mm Dia, Stainless steel Case & Stem; Sensing element with Bi-metal strip coiled, IP 65 Protection, Dial with Aluminium black graduation on white background, Pointer with Aluminium black coloured Slotted zero adjustable, Window with Sheet Glass and of length to suit installation, CFF Gasket material, weldable MS coupling and GI nipple (The gauge and nipple connected with GI coupling) Accuracy with Plus or minus 1 percent of range or plus or minus 1 scale division to maximum of 1.5 percent of range,

PRESSURE GAUGES : Supply, installation, testing and commissioning of Indicating-dial type, 100-mm Dial Size, white background with black marking, Case & Bezel: SS304, Bayonet type bezel, weatherproof to IP-67 as per IS 13947, Shatterproof Glass windows; SS316 Bourdon, SS316 Socket, SS304 Movement, 0 – 10 kg/cm³ Range, 1% F.S.D Accuracy, 130% FSD Over Range, Zero Reset Micro pointer (Internal), Blow Out Disc provided (Neoprene) on the top of case, chemical Seal Unit, Top Flange SS316, Diaphragm SS316+PTFE, Bottom Flange SS316+PTFE, Connection 25-mm ANSI 150#RF in SS316, 125 AARH, Filling Fluid Silicone Oil, with SS Tag Plate, Stainless Steel U-Siphon and 13mm Brass body ball valve with weldable MS coupling.

FACTORY MADE RECTANGULAR GI DUCTING : Supply, installation, testing and commissioning of factory made lock-forming quality rectangular GI ducting, complying with IS: 277 and having 120 GSM coating classification. The price shall include the cost of necessary accessories & supports (like flanges, MS angle flanges, neoprene gaskets, threaded rod, corner saddles, guide vanes, joints, labelling etc as per specification. The price shall include the cost of supports and access doors wherever required. Please refer technical specifications for complete details and scope & quote accordingly. Kitchen Exhaust Duct Shall be with MS Angle Frame. 20 Gauge Galvanized Steel Sheet, 1.0 mm thick

22 Gauge Galvanized Steel Sheet, 0.8 mm thick

GRILLES: Supply, installation, testing and commissioning of powder coated aluminium / anodised aluminium linear grilles as per specification. The color & pattern shall be pre-approved by Architects/Client.

COLLAR DAMPERS: Supply, installation, testing of duct mounted MS powder coated collar dampers.

DUCT THERMAL INSULATION : (SUPPLY AIR & FRESH AIR DUCTS) Supply, Installation, Testing, and Commissioning of closed cell 13 mm thick Nitrile Rubber Insulation with Factroy Laminated Alu-foil and with Ultrafresh Antimicrobial protection with both side skin/smooth surface, As per ASTM G21, ASTM G22, UL-181 and E2180. Class “O” IMO A 653 (16), FM Global, UL 94 & EPA approved,with density 40-60kg /m3.Temperature of -50 to 116 Deg C and As per EN12667(DIN 52612).Thermal conductivity of 0.036 W / m K @ 0 deg C. water vapour permeability as per EN12086 (DIN 52615) , Moisture Resistance Factor >= 7000. Alu foil tape of 75mm width should be used to seal the joints with 50 mm wide 3 mm thick self adhesive tape (Black Cotton Tape not acceptable). Material shall be FM approved and preferred color shall be Black [ for duct linear=9mm thk ] Note - if the adhesive is not self adhiesive

Programmable DDC Controller. The controllers shall be32 bit microprocessor based standalone with real time clock. The DDC'sshall be capable of peer to peer communication with other DDCs and then to router Also with lockable MS mounting cabinets duly powder coated connector strip, internal wiring and space to house controller & relays, connector strip current transformer, MCB, internal wiring. (Contractor shall confirm his I/O provision w.r.t requirement on basis of data point). DDCs requiring more than 2 additional Plug in type IO Module cards or expansion modules to suffix the requirement of required inputs/outputs are not acceptable. Use of AI to DI multiplexer is also not acceptable. DDCs shall be compact factory fitted with IO Points. Supplying, installing, testing of signal cables, 2C x 1.0 sqmm,copper armoured, ATC conductor mul stranded twisted shielded cable for DI,DO,3rd Party Integration.

Supplying, installing, testing of signal cables, 4C x 1.0 sqmm, copper armoured ATC conductor mul stranded shielded cable for AO.AI POINTS

Supply and laying of approved make FRLS PVC conduits 25MM on ceiling / wall / floor etc. complete with accessories like, Junction boxes, Collars, Bends, clamps, saddles etc.

ADD GST 18%

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