Maintenance of various colonies under Nazul Account-II Dwarka Zone.

Providing and laying in position cement concrete of specified grade excluding the cost of centering and shuttering - All work up to plinth level : 1:2:4 (1 cement : 2 coarse sand (zone-lll) derived from natural sources : 4 graded stone aggregate 20 mm nominal size derived from natural sources) .

Centering and shuttering including strutting, propping etc. and removal of form work for : Foundations, footings, bases for columns.

Distempering with 1st quality acrylic distemper (ready mixed) having VOC content less than 50 gram/litre, of approved manufacturer and of required shade and colour all complete to achieve even shade and colour: 38.1 New work (two or more coats) over and including water thinnable priming coat with cement primer having VOC content less than 50 gram/litre

Painting with synthetic enamel paint of approved brand and manufacture to give an even shade : Two or more coats on new work on new work over an under coat of suitable shade with ordinary paint of approved brand and manufacture.

Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge, upto 90 metre depth below ground level . All types of soil, 300 mm dia

Boring/drilling bore well of required dia for casing/ strainer pipe, by suitable method prescribed in IS: 2800 (part I), including collecting samples from different strata, preparing and submitting strata chart/ bore log, including hire & running charges of all equipments, tools, plants & machineries required for the job, all complete as per direction of Engineer-in-charge. (a) upto 90 metre depth below ground level Rocky strata including Boulders 300 mm dia

Gravel packing in tubewell construction in accordance with IS: 4097, including providing gravel fine/ medium/ coarse, in required grading & sizes as per actual requirement, all complete as per direction of Engineer-in-charge.

Supplying, assembling, lowering and fixing in vertical position in bore well, ERW (ElectricResistance Welded) FE 410 mild steel screwed and socketed/plain ended casing pipes ofrequired dia, conforming to IS: 4270, of reputed & approved make, including painted withoutside surface with two coats of anticorrosive paint of approved brand and manufacture,including required hire & labour charges, fittings & accessories, all complete, for all depths,as per direction of Engineer-in-charge. (a)150 mm nominal size dia having minimum wall thickness 5.00 mm

Providing and fixing suitable size threaded mild steel cap or spot welded plate to the top of bore well housing/ casing pipe, removable as per requirement, all complete for borewell of: 150 mm dia

Providing and fixing M.S. clamp of required dia to the top of casing/ housing pipe of tubewell as per IS: 2800 (part I), including necessary bolts & nuts of required size all complete as per direction of Engineer-in-charge. (a)150 mm clamp

Taking out existing CC interlocking paver blocks from footpath/ central verge, including removal of rubbish etc., disposal of unserviceable material to the dumping ground, for which payment shall be made separately and stacking of serviceable material within 50 metre lead as per direction of Engineer-in-Charge.

Laying old cement cocrete interlocking paver blocks of any design/ shape laid in required line, level, curvature, colour and pattern over and including 50 mm thick compacted bed of coarse sand, filling the joints with fine sand etc. all complete as per the direction of Engineerin- charge. (Old CC paver blocks shall be supplied by the department free of cost).

Providing and laying factory made chamfered edge Cement Concrete paver blocks in footpath, parks, lawns, drive ways or light traffic parking etc, of required strength, thickness & size/ shape, made by table vibratory method using PU mould, laid in required colour & pattern over 50mm thick compacted bed of sand, compacting and proper embedding/laying of inter locking paver blocks into the sand bedding layer through vibratory compaction by using plate vibrator, filling the joints with sand and cutting of paver blocks as per required size and pattern, finishing and sweeping extra sand. complete all as per direction of Engineer-in-Charge. (a) 80 mm thick C.C. paver block of M-30 grade with approved color design and pattern.

Demolishing cement concrete manually/ by mechanical means including disposal of material within 50 metres lead as per direction of Engineer - in - charge.Nominal concrete 1:3:6 or richer mix (i/c equivalent design mix)

Providing and placing in position 100 mm thick factory made machinebatched & machine mixed Precast RCC Rectangular Covers on drains offootpath of various sizes, of M-25 grade cement concrete for RCC work, including cost of centering, shuttering, reinforcement of 8 mm dia TMTbars of Fe 500 grade @ maximum 100 mm c/c on both ways, neat cementpunning on finished surface, properly encased on all edges with 1.6 mm thick, 100 mm wide MS sheet duly painted over priming coat, reinforcementto be welded at edges with MS sheet and providing 2 Nos. 12 mm dia barfor hooks etc including cost of cartage, all leads & lift, handling at site etc.all complete as per direction of Engineer-in-Charge.

TOTAL

Total after GST correction Factor @0.973

Providing and fixing 45 mm SS padlocks with 3 keys used to protect box.

Supply of DWLR (Telemetric type) Battery operated Make: KDES (and similar) Descriptions; Online Ground water level recorder Continuous Data Logging facility. Imported pressure transducer (sensor) with capability of measuring till 50 meter’s depth. Factory – calibrated sensor. Facility for wall / pipe enclosure. Durable and rugged design.Specifications :Accuracy : 0.25 % F.S.Compensated temp. : -20C to +85 C Operating temp. : -40C to +125C Current consumption : 5mAWetted material steel : 17-4PH or 316L Stainless port, 316L stainless steel snubberVibration : +20g, MIL-STD-810C Dielectric strength : 2mA @500VAC, 1min, Display : 16x2 LCD displayEnclosure : IP65Data Output : Microsoft Excel format.Clock : Real time internal clockPower : Battery operatedBattery life : Two years, all complete as per direction of Engineer-in-charge. Data Monitoring Service: Telemetry web data monitoring for water table for each system. Providing and fixing of Cable for DWLR system (total depth around 50 meter each) SpecificationCore : 2 core Type : RoundConductor Material : Copper (Preferred make: Polycab, Havells, Anchor etc.)Cable Size: 1mm sealed, all complete as per direction of Engineer-in-charge.

Installation charge: Deployment of person and necessary machine for installation and assembling of each system which also includes configuring of the data logger and making data available online on the web,all complete as per direction of Engineer-in-charge.

add 3% cost index on items 1 to 15

Note : An amount equal to 25% of the estimated cost in respect of Item No. 17 shall be withheld on account the battery replacement cost under the warranty period of two years after the date of completion of the work.

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