COMPREHENSIVE MAINTENANCE OF DVRF AND DUCTED SPLIT AC INSTALLATIONS AT AF STN MOTHALA UNDER GE AF NALIYA

Amount

Comprehensive Maintenance and Servicing following Air Conditioning Installations of specified make as detailed below:-

DVRF AC Plant of 21 HP (16.8TR) - 04 Nos. with 7 inch LCD Master controller, LCD based wired remotes and following Indoor units:- (a) Ceiling suspended 6.0 TR IDU - 01 No. (b) Ceiling suspended 4.0 TR IDU - 11 No. (c) Ceiling suspended 3.0 TR IDU - 04 No. (d) Ceiling suspended 2.0 TR IDU - 02 No. (e) Ceiling suspended 1.5 TR IDU - 01 No. Make:- Blue Star, Model: DVRF21TC.

Ducted Split AC unit 11 TR with Scroll Compressor, Microprosser based, LCD based remote control unit with IDU and ODU - 01 No. in Paylod Bldg left Side. Make:- Blue Star, Model: DSA1321R1.

Ducted Split AC unit 11 TR with Scroll Compressor, Microprosser based, LCD based remote control unit with IDU and ODU - 01 No. in Payload Bldg right Side. Make:- Blue Star, Model: DSA1321R1.

Ducted Split AC unit 8.5 TR with Scroll Compressor, Microprosser based, LCD based remote control unit with IDU and ODU - 01 No. in ASCB T&C Room. Make:- Blue Star, Model: DSA1321R1.

Ducted Split AC unit 8.5 TR with Scroll Compressor, Microprosser based, LCD based remote control unit with IDU and ODU - 01 No. in ASCB Ele Shop Room. Make:- Blue Star, Model: DSA1321R1.

Note:- (i) The unit rate quoted shall includes the cost of all Tools & Plants required like ladders, vehicles to carry, measuring instruments, cost of consumable such as refrigerant gas etc. (ii) Emergency visit/ inspection/ repair intimated vide telephonically or by email to be attended within 24 Hrs. and same to be rectified within 4 days from date of intimation. (iii) A register duly signed by contractor, user and Engr-in-Charge to be maintained for the Servicing/ Maintenance carried out on Monthly/ Quarterly basia with dates and same to be submitted before claiming the payment. (iv) Payment to the contractor can be released once in three months or more after providing satisfactory working report duly signed Eng-in-Charge and General Conditions of Contracts 64 of IAFW-2249 shall be amended to accommodate this provision. (v) Tenderer should submit the copy of bond with OEM Blue star or with its authorized service dealer before commencement of contract. The required Comprehensive Maintenance and Servicing to be carried out by OEM or its authorised representative through tenderer and all repair/ replacement chart shall be submitted under the signature/ seal of OEM representative/ Company. (vi) The Complete Contract consists of 12 Monthly Checks and 04 Quarterly Checks.

The Scope of Comprehensive Maintenance is as under:- (A) ONCE IN ONE MONTH:- (i) Inspect and Check Compressor for its proper functioning and if any defect is found, the same to be repaired/ replaced. (ii) Check Noise and vibractions of Indoor and Outdoor units and necessary repairs to be carried out as required. (iii) Inspect and Check refrigerant pipe connections for sign of leakages and same to be repaired. (iv) Inspect and check pressure of gas and same to topped up as required. (v) Inspect and check the blower motor for its proper functioning and if any defect is found, the same to be repaired/ replaced. (vi) Any defects in elctrical items like LCD touch screen (Remote), LCD touch Screen central controller, sensors, etc and control wiring to be rectified/ replaced irresepective of cause of fault.

(B) ONCE IN THREE MONTHS:- (i) Servicing for All equipemnts under contract. (ii) Inspect and clean all Air Filters and replace all air filters once in complete contcrat. (iii) Inspect and Check the Software for the DVRF Plant for any errors and re-install software if necessary. (iv) Inspect and check all sensors and same to be replaced if required. (v) Inspect and Check all Safety Controls like pressure cut outs, etc for its proper functioning and if any defect is found, the same to be replaced. (vi) Inspect and clean rubbish and dust from outdoor units. (vii) Inspect and clean Indoor unit condensate tray, drain pipe line and check for any leakages in drain pipe. Necessary sealing to be done for stoppage of leakage. (viii) Inspect and check PCB of Indoor Units and Out Door Units for its proper functioning and if any defect is found, the same to be repaired/ replaced. (ix) Inspect and Check all the belts/ bearings, apply greasing to bearings and necessary repair/ replacement to be carried out as required.

NEELKANTHA ASSOCIATE