WBPWD/EE/PMED/NIQ-11/e-Q /2023-2024(2nd Re-Tender)

Amount

Annual comprehensive maintenance of split/ 3ph Tower model (1 Tr./2.0Tr./3 Tr./4.5Tr. capacity), Room Air Conditioner machines at Kharagpur Sub Divisional court, Paschim Medinipur. As per scope of work & terms & condition given below. the Total nos. of AC machines :-

a) 1/2.0 ton split model.--- 8nos.

b) 3.0 ton 3PH tower AC.--- 16nos

c) 4.5 ton 3PH tower AC.--- 4nos

SCOPE OF WORK AND TERMS & CONDITION:- A)Routine checking and servicing (Preventive maintenance). i) Checking & servicing of all mechanical & electrical parts of the A.C.Machine, refrigerant system, condenser & cooling system etc. twice in each month. ii) Checking of performance of each machine, grill temperature¸ room temperature, current voltage Humidity. once in a month & these shall be noted, in Log Book. All entries be countersigned by the Agency and the concerned Sub-Asstt. Engineer in the Log Book. iii) All machine shall be numbered according to their location, made and as per direction of E.I.C & Log book be maintained accordingly. iv) Cleaning of filters twice in each month. v) Lubricating the motor bearings & all other moving parts as and when required. vi) Checking the electrical incoming lines incl. starter, switches etc. in each month. Any fault located should be brought to the notice of the Asstt. Engineer & Sub-Asstt.Engineer immediately. vii) Checking & repairing of all parts which have not been specified but necessary to keep the machine satisfactory running condition.

B) Overhauling: i) Through overhauling of the machine part by part once in a year & to be recorded in the log book. ii) Cleaning & painting of the machine body, base tray etc. once in a year & to be recorded in the log book iii) Cleaning & discalling of condenser unit, cooling coil etc. and gas leak test once & when required in a year & to be recorded in the log book. iv) Overhauling shall preferably be done during winter season and must be noted in the Log Book.

C) Supply & Repairing: i) Supply of refrigerant shall be made as & when required by the Agency in his own cost. ii) Replacement of all spare parts, including compressors, shall be made by the Agency for smooth running of the machine at his cost for all type Machine. iii) Filters be changed except nylon filter once in a year & the new once shall be approved by the EIC. iv) No major parts shall be removed without permission of concerned Asstt. Engineer. Challan shall be obtained from Sub-Asstt. Engineer while taking away machine or parts from site for repairing and materials shall be returned/ repaired within three days to worksite in Co’s challan.

D) Attendance of break down: i) Break downs to be attended by experienced expert of AC machines immediately after receiving initiation from the Sub-Asstt. Engineer, Asstt. Engineer and the authority concerned. ii) AC machine expert must be provided with cell phone with contact no. iii) In case of major break down, the Agency shall replace the faulty machine by his own working machine (loan machine) until & unless the original machine is repaired & reinstalled at site. The cooling service at site shall not be interrupted for more than 24 hrs. iv) Nature of break down with date shall be recorded in the Log Book.

E) TERMS & CONDITION. i) All payments shall be made as per Govt. rules. ii) Agency may raise bills for quarterly payment. He shall submit service challan duly countersigned by the Sub-Asstt. Engineer,& Asstt. Engineer mentioning therein the performance of the machine with grill temperature, room temperature at the time of servicing along with the log book duly signed by the SAE & AE concerned. iii) No extra payment shall be made for repairing & replacement of machine parts or refrigerant. iv) The Log Book shall be kept upto-date & ready at Sub-Asstt. Engineer Chamber for verification by higher authority at any time & to be produced whenever demanded by the EIC for verification.. v) The Executive Engineer reserves the right to terminate the contract at any time with one month notices. vi) If the Agency fails to make a break down machine operational within 24 Hrs. or fails to provide replacement of the machine from his own working machine (loan machine), deduction from the bill will be made @`.20/- for each day in excess of 24 Hrs.

F) SPECIAL TERMS CONDITION. a) Each and every AC machine / Units shall be undergo routine servicing twice a month including checking of grill temperature, current drawn and overall efficiency to be recorded in the respective log book. b) In the event of major breakdown / malfunctioning of the machine / unit requiring a restoration time of more than 12 Hrs. in non-critical areas, and 6Hrs. in critical areas, the agency shall provide a substitute machine/ system at no extra cost to the department failing which recovery will be effected at double the agreement rate calculated on per day basis without any prejudice to the Engineer-in-Charge’s right to terminate the contract on a shorter notice than usual. c) However the recovery against malfunctioning / breakdown not properly addressed shall be limited to 10% of the contract value.

SYSTEMS CONTROL

MIR ENTERPRISE

SREE KRISHNA ELECTRICAL