GE/DE-61/2019-2020

Amount

Dismantling brick tiles single layer on roof, bedded, jointed and pointed in cement mortar, complete all as specified and as directed.

Demolition of mud/cement concrete in roofs including plastering and leeping, complete all as specified and as directed.

Taking down rain water pipes (any size and pattern) including all fittings, head shoes, bends, swan necks, etc., and removal off the site, complete all as specified and as directed.

Cutting out grooves in brick wall, 75mm wide and 40mm deep and shaping horizontal face of groove with cement mortar 1:3, complete all as specified and as directed.

PCC 1:2:4 type B-0 using 12.50 mm graded crushed stone aggregate as in PCC padding over roof, complete all as specified and as directed.

PCC 1:2:4 type B-1 using 20 mm graded crushed stone aggregate as in kerb or mud stops and base of OHT over roof top, rounded or chamfered on edges, complete all as specified and as directed.

Rendering 15mm thick on fair faces of brick work or concrete surfaces in cement mortar 1:4 mixed with water proofing compound finished even and smooth without using extra cement, complete all as specified and as directed. (Note : Water proofing compound shall be measured and separately).

Supply only liquid water proofing compound and mixed as per manufacturer's instructions, complete all as specified and as directed.

Wire brushing and cleaning top surface of tiles, cement concrete, including flashings and junction of parapets including taking out grass roots/vegetation etc., from existing roof surfaces and cleaning the surface after drying from dirt, mortar, dust mortar buds, algae and all other foreign matter and brushed and wiped, complete all as specified and as directed.

Providing of applying fibre reinforced elastomeric liquid water proofing membrane with resilient acrylic polymers having Sun reflectivity Index (SRI) of 105 on top of concrete roof in three coats @10.76 ltr/10 Sqm including one coats of self-priming of elastomeric waterproofing liquid (dilution with water in the ratio of 3:1) and two coats of undilted elastomeric waterproofing liquid (dry film thickness of complete application/system not less than 500 microns) complete all as specified and directed. Note :- (i) The operation shall be carried out after scrapping and properly cleaning the surface to remove loose particle with wire brushes. (ii) WPT To be done by authorised applicator)

Providing APP modified Polymeric five layered membrane with central core 100 micron high molecular high density polyethylene film. Minimum weight of membrane will be 3.6 Kg/Sqm. APP membrane will be laid across the slope from lowest line of roof towards ridge with over laps of 75mm in length side and 100mm on the width side of membrane bonded with hot blown bitumen. Over the APP membrane apply semi hot blown 85/25 penetration grade bitumen conforming to IS- 702 @ 1.2 Kg/Sqm and blinded with fine sand in dry condition @ 0.50Kg/Sqm dusted over the bitumen coat. Provide final layer of two coats of aluminium paint over a coat of primer as per manufacturer's instructions, complete all as specified and as directed.

NOTE:- a. (Applicable to Srl items No. 09 &10 Here-in-above) At the time of uploading bids each tenderer shall upload a copy of MOU towards triparty agreement between tenderer, Manufacturer of Water Proofing Tretment from M/s Asian Paints lTD/M/s Sika India Pvt Ltd/M/s STP Ltd/M/s Fosroc Chemicals (India) Pvt Ltd only and their Applicators, for material and execution of work from any of the said manufacturers. Financial Bids of only those bidders shall be admitted whosoever shall uploads a legitimate MOU.

b. Terms of the MOU so entered between tenderes, Applicators and Manufacturers mentioned above shall also cover the warantee from manufacturer of Water Proofing Treatment for any defect in work executed by their applicator for a period of 10 Years. All other aspects with regard to payment, execution of work or other legal points shall be solely as decided between the tenderer, Water Proofing Tratment manufacturer & Applicator. Department shall in no way be responsible for any complicacy arising at a later stage between the parties to MOU with regard to payments or execution of work.

c. Stage for prepration of surfaces shall be approved from GE before applying the Water Proofing Treatment.

d. Material shall be procured from manufacturer and work shall be executed through authorised applicator. Engr-in-Charge shall ensure towards quality and quantity of consumption of materials at site as per manufacturer's instructions

e. The necessary equipment whatever required to execute the work shall be provided by the contractor and the cost of providing such equipments shall be deemed to be included in the quoted rates of the contractor and nothing extra shall be admissible on this account.

PVC(SWR) pipes 110mm bore size single socketed, in any length with rubber ring joints,laid in trenches or in floors or walls including fixing clamps, complete all as specified and as directed.

PVC (SWR) bend of 110mm bore any radius, complete all as specified and as directed.

Precast machine pressed cement concrete tiles, factory made, 250mm x 250mm x 18-20mm thick, pointed in cment mortar 1:3 in floors, laid over 15 mm thick screed bed or bedding layer in cement mortar 1:4, complete all as specified and as directed.

Disconnecting existing tanks, setting aside (or lowering if required) for repairs, cleaning, etc., and hoisting if required, reconnecting and refixing in position, complete all as specified and as directed. Note : Cleaning and repairing shall be measured and paid separately)

Taking down/dismantling existing water tanks of 250 ltrs to 500 ltrs capacity and removing off the site, complete all as specified and as directed.

Rotational moulded polyethene three layers 500 Litres water storage tanks (cylindrical vertical with threaded type lid cover) hoisted and fixed in position all as specified in SSR Part-I complete including dismantling of old tank & 20mm bore ball valve high pressure of PTMT with epoxy coated aluminium rod & high density plastic ball, screwed with pipe and fixed, complete all as specified and as directed.

NOTE:- For minimum fair wages, other than Srl item No. 09 & 10, EPF and payment to labour employed, refer Sch A Note No-16,17 and Special Condition No 5 & 21.2 of this tender. Contractor must produce all the relevent record such as payment made to labour, EPF etc at the time of payment of RARs/Final bill. No payment will be released to contrator without producing the proper record.

NOTE:- Irrespective of whatever specified elsewhere in tender documents, all the debris/waste materials produced out of above mentioned work shall be removed out of Cantonement land and disposed off at locations notified by the Delhi Cantonment Board for disposal of waste building materials within NCR area, without any extra cost to Department under own arrangement of contractors. The rates quoted by the contractors against the items catered here-in-above in the BOQ are inclusive of said provision.

GAUTAM ELECTRIC WORKS

A R construction

Vipul Construction

imran construction company

R. S. Associates

LAXMI GROUP