Annual Maintenance of package and ductable type AC of VI LT-1 and 2, V LT-2, IV LT-3 and other site in IIT Delhi. ( Day to day operation is no cover in the scope of work )

Amount

De-scaling of Air-Cooled condensers and cooling coil with fins of ( 3.0 Tr ) of Ductable type Air-Conditioners with the chemical (clean flow or equivalent chemical) including brushing and flushing with Costic Soda etc. twice in a year. First time within seven days of award of work, next in six months after work.(One Job means 1 -3Tr AC for Six months )

De-scaling of Air-Cooled condensers and cooling coil with fins of ( 5.0 Tr, 7.5 Tr. and 8.5 Tr ,11.0 Tr. , 16.0Tr. and 22.0TR ) of package and Ductable type Air-Conditioners with the chemical (clean flow or equivalent chemical) including brushing and flushing with Costic Soda etc. twice in a year. First time within seven days of award of work, next in six months after work. .(One Job means 1 AC per Six months )

Providing and Topping up the refrigerant R-22 in the Water /Air Cooled Package type Air-Conditioners and Ductable type Air-Conditioners with the complete refrigeration line and compressor after leakage testing and removing from the complete refrigeration line within 15 days of award of work and as and when required Comprehensive maintenance of water cooled package and Ductable type Air-Conditioners includes replacement of all kinds of defectives components/ parts and rewinding of motors with suitable Enameled copper wire of suitable size (ISI Marked) a as and when required (Except Compressor) A) 3.0 Tr.

Replacement of defective Compressors installed in the Package and Ductable type Air-Conditioners from the respective manufactures of the compressors (Blue Star, Kirloskar, Tecumsheh, Carrier, Voltas) Compressors shall be get replaced from the manufacture installed in the Air-conditioners including providing and charging the refrigerant R-22 in the water cooled package type Air-conditioners and Ductable type Air-conditioners with the complete refrigeration line and compressor after leakage testing and removing from the complete refrigeration line within 15 days of award of work and as and when required a) 3.0 Trtr. capacity Compressor

b) 5.0/5.5Tr. Capacity Compressor

c) 7.5 Tr. Capacity Compressor

Comprehensive maintenance of Electrical panels includes replacement of all kind of defective component, retightening and cleaning with CTC/CRC or equivalent chemical(i) contractor shall carry out Preventive maintenance of all Electrical and electronic operating panels and starters of all the Package and Ductable Type Air-Conditioning System. as per the following A) Package type Air-Conditioning System. i) Block III-311 to 318 (Air-Cooled)- 03 x 16.00 Tr. ii) Block VI LT-1 (Air-Cooled)--- 02 x 11.00 Tr. iii) Block VI LT-2 (Air-Cooled)-- 02 x 11.00 Tr. iv) NRF VI-114 to 121 (Air-Cooled) 03 x 11.00 Tr. v) TX-115 (Air-Cooled)----- 02 x 5.00 Tr. vi) III-119 (Air-Cooled) 01 x 11.00 Tr. vii) ETSC (Air-Cooled) ------------01 x 16.00 Tr. viii) ETSC (Air-Cooled)----------- 02 x 22.00 Tr. ix)II-401 (Air-Cooled)--------- --- 02 x 5.00 Tr x)II-402 (Air-Cooled)---------- -- 01 x 8.50 Tr xi)II-402 (Air-Cooled)---------- -- 02 x 7.50 Tr xii)IRD Mezzanine Floor (Air-Cooled) 02 x 16.00 Tr xiii)IRD Conference Hall I-Floor(Air-Cooled)- 02 x 11.00 Tr B) Ductable Type Air-Conditioning System. i) Block VI LT-2 (Air-Cooled)-------- 03 x 8.50 Tr. ii) Block IV LT-2 (Air-Cooled)-------- 03 x 8.50 Tr. iii) TX-122 (Air-Cooled)-------- 02 x 7.50 Tr. iv) T&P Unit (Air-Cooled)-------- 02 x 8.50 Tr. v) KSBS Science(Air-Cooled)-------- 02 x 3.00 Tr. (Air-Cooled)------------------------------ 02 x 5.00 Tr. (Air-Cooled)----------------------------- 12 x 7.50 Tr. vi)IV-136 (Air-Cooled)----------- 01 x 5.00 Tr. vii) MS-108 (Air-Cooled)---------06 x 3.00 Tr. (i) Contractor shall carry out the comprehensive maintenance of main Electricals Panels of all the package units and ductabvle type Air-Conditioners including replacement of all kind of defective and worn out components within 15 days of award of work and next in six months after work., retightening of connections & Cleaning of internal component and panel with CTC/CRC or equivalent chemical above maintenance shall be carried out in the presence of AE/JE. .

SADHANU ENTERPRISES