annual maintenance contract of internal telephone lines and sets annual maintenance contract of internal telephone lines and sets for the year 2020-21 in csir-csio chandigarh , operation , upkeeping & repair , maintenance of the telephone internal lines and telephone sets . mdf , kerone and external telephone lines from incoming mdf to the internal area of csio office buildings , residential area , indo-swiss training centre guest house etc . in addition to this , any other job related to telephone installation , repair of sets / instruments like fax , machines etc by the deployed staff ( minimum one mechanic and one helper , 6 day in a week ) as directed by the engineer-in-charge from time to time . , note for item no 1 the contractor has to provide the minimum wages including statutory payments as applicable to the workers as declared by dc chandigarh ut administration . estimated monthly wages for one mechanic & one helper based on minimum wages for the preriod of 01 . 04 . 19 to 31 . 03 . 20 is rs 39038 . 00 including gst 12% , bonus 8 . 33% of basic and labour cess 1% of basic . contractor may quate the rates by including contractor overhead and profit on minimum estimated wages of rs 39038 . 00 . however the statutory charges as epf , esi , if applicable will be reimbursed separately as per rule on production of deposit reciept from the apprppriate authority . the payment on account of enhancement / escalation charges on account of revision in wages by appropriate govt . ( govt . of india ) from time to time shall be payable by the csio / csir to the contractor . , supply of pvc insulated copper conductor telephone drop wire of size 0 . 61 mm dia ( one pair ) of good quality as per dot specification , supply of pvc insulated copper conductor telephone cable 2 pair of size 0 . 4 mm dia ( one pair ) of good quality as per dot specification , reparing of corded / cordless display type telephones set of make panasonic / beetal etc , supply of telephone line cord cable with rj11 connector on both sides of length 2 meter single pair for telephone sets , supply of telephone coil cord cable black / white of uncoiled length 2 meter with both end male rj11 connector for telephone sets as per requirment , supply of pvc mdf telephone junction box for 50 pair cable with locking & water proofing arrangement including stainless steel back mounting frame and crone . , supply of pvc mdf telephone junction box for 20 / 30 pair cable with locking & water proofing arrangement including stainless steel back mounting frame and crone . , supply of 1 to 1 rossette box rj11 telephone connector , supply of 1 to 2 rossette box rj11 telephone splitter connector , supply of telephone socket outlet modular type . , supply of modular blanking plate , supply of modular base & cover plate for 1 module , supply of modular base & cover plate for 2 module , supply 25 mm dia . isi marked , pvc conduit pipe , supplying and fixing 1 or 2 module ( 75 mmx75 mm ) , gi box alongwith modular base & cover plate for modular switches in recess etc . as required . , supply of gi wire 6 swg