76/19-20/BSNL/EDI/JP/SrCE(E)/1

Amount

SUB HEAD - I (SITC of HPAC)

PART ‘A’ (SUPPLY ITEM)

Supply of 7 TR (sensible cooling capacity) Microprocesser based high Precision Airconditioning unit with Air Cooled condensers complete with backward curved evaporator fan directly driven by electronically commutated (EC) motor with integrated electronics complete as per detailed specifications enclosed i/c frieght/loading/unloading and forwarding. (Make: M/S SIDWAL/ M/S SCHNEIDER. Any other makes approved by BSNL, Corporate Office (Electrical) New Delhi for 7 TR HPAC till date of opening of tenders are also acceptable.) (The 7 TR HPAC unit will be supplied as per PROTOTYPE approval conveyed by BSNL,Corporate Office (Electrical) New Delhi (Upward/ Downward flow as per site requirment)

Make of Precision AC :- Any make approved by BSNL, Corporate Office (Electrical) New Delhi for 7 TR HPAC before opening of price bid.

PART "B" (ITC & MISCELLANEOUS ITEMS)

Installation, testing and commissioning of above 7TR (sensible) HPAC Package indoor and outdoor units on existing frame, pressure testing, supplying and charging the referigerant R-22/R-407C/R410A i/c acceptance testing as per NIT etc complete as reqd.

7 TR (Sensible) High Precision AC Package unit

Note:- a) The hot gas refrigerant line shall be insulated inside conditioned area with high quality insulating material, nothing extra shall be paid on this account

b) The MS Structure for outdoor units shall be installed on minimum size 300mm x 300mm x 300mm PCC block with 25mmx25mmx3mm angle iron on edges, nothing extra shall be paid on this account. However, the M.S. Structure for outdoor unit / Indoor unit (if required) shall be paid extra vide item No.5 of Part-"B" of SH-I.

c) The each outdoor and indoor unit shall be installed on 12 nos. AVM pads (Rubber pad), nothing extra shall be paid on this account.

Supply & fixing of the following sizes 18 gauge ( 1.2 mm) copper referigerant piping with all accessories cutting, bending, jointing, brazing etc for hot gas and liquied lines on the existing MS perforated tray including insulating the refrigerent lines inside AC area with suitable fire retardant polythene form etc complete as reqd as per specification attached.

size 1-1/8" single run

size 7/8" single run

size 5/8" single run

Supplying and laying of following sizes of PVC insulated PVC Sheathed copper conductor armoured cable of 1.1 KV grade conforming to relevent I.S. on wall/ existing trench/ existing MS perforated tray (with saddles) i/c interconnections, end termination, gland etc. complete as reqd. (As per CPWD specifications).

4 x 2.5 sqmm

Providing plumbing work for humidification circuits and drainage requirements i/c supply of GI pipes, pipe fittings such as bends, reducers, elbows, tees, unions, flanges etc for water connection of various components of the system.

40mm dia GI pipe (Medium class)

20mm dia GI pipe (Medium class)

Providing MS structure for outdoor / Indoor units made out of solid channels / angles/flat i/c cutting, welding , painting etc as reqd.

Providing and fixing 25 mm x 5 mm GI strip for loop earthing from package unit to condenser on the existing cable tray/ wall etc as required. (As per CPWD specifications)

Supplying and installing following size of perforated pre-painted M S cable trays with perforation not more than 17.5%, in convenient sections, joined with connectors, suspended from the ceiling with M S suspenders including bolts & nuts, painting suspenders etc as required.

150 mm width X 50 mm depth X 1.6 mm thickness

225 mm width X 50 mm depth X 1.6 mm thickness

SUB HEAD - II (Comprehensive Maintenance)

Comprehensive maintenance of 7 TR microprocessor High Precision package AC unit including all items covered under Part-"A" & Part-"B" of Sub Head-I which include routine, preventive & breakdown maintenance i/c supply of consumables, repair / replacement of wornout items with minimum down time and warrantty & guarantee of repaired / replaced items & as per specifications/ conditions of contract & as per the details given in relevent sections by deploying the required staff including specialized man power and by arranging required spares, refrigerant gas, tools and plant etc to keep AC unit & connected equipments operational upto the required standards complete as required. Note- 1. Operation of package AC units is not included in this item.

1st Year (Covered under Gurantee period) (Qty = 9 Pkg. X 12 Months)

2nd Year (Qty = 9 Pkg. X 12 Months)

3rd Year (Qty = 9 Pkg. X 12 Months)

4th Year (Qty = 9 Pkg. X 12 Months)

5th Year (Qty = 9 Pkg. X 12 Months)

6th Year (Qty = 9 Pkg. X 12 Months)

7th Year (Qty = 9 Pkg. X 12 Months)