NIT NO. 51 Rate Contract for the work of Providing, Laying, Jointing, testing and commissioning of various size of DI/HDPE Pipeline under Jurisdiction of PHED city division II Ajmer.

Providing, lowering, laying in trenches, aligning, fixing in position and jointing Ductile Iron (DI) ISI marked K-7 grade S&S pipes as per IS:8329-2000 (amended up to date), with internal cement mortar lining suitable for potable water with rubber ring (EPDM) joints as per IS: 5382-1985 including all taxes (Central and local), transportation and freight charges, inspection charges, loading/ unloading charges, including cost of labour and material, specials (Tee, bend etc.) satisfactory hydraulic testing, disinfection, commissioning etc. complete as per technical specifications and direction of Engineer-in-charge. (excluding earth work) Note : Providing and fixing of all requisite specials as per drawing, design and layout are inclusive in RM measurement of the item and shall not be paid separately.

Providing, lowering, laying and jointing in trenches, standard lengths HDPE ISI marked Pipes as per IS-4984: 1995 (amended up to date) with necessary jointing material like mechanical connectors, i.e. thread/ insert joint/ quick release coupler joint/ compression fitting joint or flanged joint and specials jointing pipe by electro fusion welding method, including all taxes , transportation and freight charges, inspection charges, loading/ unloading charges, stacking of pipes, including cost of labour and material, specials (Tee, bend etc.), satisfactory hydraulic testing, disinfection, commissioning etc. complete as per technical specifications and direction of Engineer-in-charge of following class and diameter. (excluding earth work) . Note : Providing and fixing of all requisite specials as per drawing, design and layout are inclusive in RM measurement of the item and shall not be paid separately. Supply may be in coil or straight length in 6 M/12 M.

HDPE PE-80 PN-6

90 mm dia

110 mm dia

HDPE PE-100 PN-6

90 mm dia

110 mm dia

HDPE PE-80 PN-10

90 mm dia

110 mm dia

HDPE PE-100 PN-10

90 mm dia

110 mm dia

Providing and fixing of flanged/ plain ended MS Specials made from MS sheet strips of relevant IS specification of approved thickness by welding, lowering, laying, aligning, fixing in position at all level/ depths in trenches complete including all taxes, material, labour, inside lining, outside coating, testing and commissioning along with pipe line as per technical specifications and direction of Engineer-in-charge.

MS pipe specials up to 600mm dia (with minimum 5mm thickness sheet)

Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in trenches of required width and gradient for laying and jointing of pipe line including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 Mtr. including taking out the excavated soil, and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming, watering etc. and disposal of surplus excavated soil as directed within a lead of 50 Mtr. including required all safety provisions etc.: All kinds of soil

Earth work in excavation by mechanical means (Hydraulic Excavator )/ manual means in trenches of required width and gradient for laying and jointing of pipe line including excavation for sockets, and dressing of sides, ramming of bottoms, depth up to 1.5 Mtr. including taking out the excavated soil, and then returning the soil as required in layers not exceeding 20cm in depth including consolidating each deposited layer by ramming, watering etc. and stacking serviceable material for measurements and disposal of unserviceable material as directed, with in a lead of 50 Mtr. including all safety provisions required .:

Ordinary rock

Hard rock (requiring blasting)

Hard rock(blasting prohibited)

Dismantling of flexible pavement for pipe line and chambers by mechanical means using pneumatic tools, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 meters. Measurement for dismantled trench to be made as per standard trench width specified in tender document and no extra payment shall be made be made for trench width more than specified, re-handling of material/earth to complete the tasks per technical specification and scope of work.

Bituminous courses

Granular courses

Dismantling of cement concrete pavement for pipe line and chambers by mechanical means using pneumatic tools, cutting the peripheral edge by CC cutter, breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials up to a lead of 1000 meters. Measurement for dismantled trench to be made as per standard trench width specified in tender document and no extra payment shall be made be made for trench width more than specified, re-handling of material/earth to complete the tasks as per technical specification and scope of work.

Providing and laying in position cement concrete M10 grade nominal mix 1:3:6 (1 Cement : 3coarse sand : 6 graded stone aggregate 40 mm nominal size) in base course complete including all material, labour, machinery, lighting, guarding for road restoration work in trenches of pipe line and chamber work. Measurement for CC work to be made as per standard trench width specified in tender document and no extra payment shall be made be made for trench width more than specified, complete work as per technical specification and scope of work.

Providing and laying in position cement concrete in specified grade over prepared base course complete including finishing, curing, all material, labour, machinery, lighting, guarding for road restoration work in trenches of pipe line and chamber work. Measurement for CC work to be made as per standard trench width specified in tender document and no extra payment shall be made be made for trench width more than specified, complete work as per technical specification and scope of work.

M20 grade Nominal Mix 1: 1.5: 3 (1 cement : 1.5 coarse sand : 3 graded stone aggregate 20mm nominal size).

Removing & Re-fixing of Precast concrete interlocking blocks for laying of pipe line by manual method, stacking of serviceable & non serviceable material separately, disposal of dismantled material lead up to 50 mtr. The C.C. interlocking paving blocks be laid on average 25 mm thick bed of coarse sand and the joints to be filled with fine sand. Laying procedure on compacted sub base as defined. Complete job is to be executed as per the directions of Engineer in charge. The rates to be inclusive of fixing of 70 percent reusable precast concrete interlocking block and cost of required new precast concrete interlocking block against damaged, including all lead and lift as per Technical specifications. (Interlocking block manufactured by fully computerized automatic stationery hydraulic vibro pressed machine & full computerized automatic batching plant of class A-1 as per BS:6717-2001. Tensile splitting strength and breaking load as per BS: 6717-2001 Colour: Grey cement natural colour. Variation in Dimension : Less than 1.6 mm Variation in thickness: Less than 3.2 mm) Note: If existing precast block used more than 70%, than for every 1% use above 70%, deduction of 1% in cost shall be done for every 1% use above 70%.

60 mm thick.

80 mm thick.

100 mm thick

Providing, lowering, aligning, fixing in position in pipe line, CI D/F Sluice valves straight and pocket less body passage of approved make of following Pressure rating & dia complete, confirming to IS:14846 (amended up to date) and of following specifications: Body, Bonnet, Wedge, Gland, Thrust Plate, Cap & Hand wheel of Grey cast iron of IS:210/ FG200 Stem - AISI- 410 ,Body Seat ring, Wedge facing ring & Bushes - LTB2/ SS , Face to face dimensions as per IS 14846/2000 (amended up to date) ,Epoxy ( Non-Toxic- suitable for drinking water) applied inside and outside, Flanges Drilled as per IS 1538. Nut-Bolt confirming to IS:1363 and IS: 1367/ CS/ galvanised steel Insertion rubber of black EPDM 6mm thick . Sluice valves including all jointing & jointing material, labour, testing and commissioning along with pipe line as per Technical Specifications and as per direction of Engineer-in-charge. Note: Rates are exclusive of tail piece/ dismantling joints and earth work.

Manually Operated CI Sluice valve of Class PN-1.0

Providing, lowering, aligning, fixing in position in pipe line at work site, DI D/F Resilient seated (soft seated) Sluice Valves (Gate Valves) , Vacuum tight(bubble tight), straight and pocket less body passage of approved make of following class & dia complete confirming to BS-EN-1171/ AWWA C-509 and of following specifications: Body & bonnet of Ductile cast iron of grade GGG40/GGG50 as per DIN 1693 or GR SG-400/12 as per IS 1865 or equivalent grade as per IS :3896-part2-1985 and subsequent revisions, Wedge of same material as body & shall vulcanised rubber lined with EPDM (food grade quality) and seals of NBR Face to face dimensions as per BS 5163-89/ IS 14846/2000 (amended up to date) /Din 3202 F4, Stem/ spindle of SS AISI 316/410 Electrostatic epoxy powder(EP-P)/ Fusion bond epoxy ( Non-Toxic- suitable for drinking water) coated with minimum thickness of 250 microns inside and outside, Drilled as per IS 1538. Nut-Bolt confirming to IS:1363 and IS: 1367 (Galvanised steel) Insertion rubber of black EPDM 6mm thick. Suitable support structure as per directions of EIC, Sluice valves including all jointing & jointing material, labour, testing and commissioning along with pipe line as per Technical Specifications and as per direction of Engineer-in-charge. Note: Rates are exclusive of tail piece/ dismantling joints and earth work. Manually Operated Resilient Seated Sluice Valves of Class PN 1.6

80 mm dia

100 mm dia

150 mm dia

200 mm dia

Construction of RCC Sluice valve chamber for different type of valves including earthwork excavation, 100mm PCC M15 as levelling course, RCC M25 grade for base slab, side wall & cover slab , including cost of steel reinforcement , form work, Pre-cast slabs, plastic encapsulated CI/MS Foot Rest, MS flats for the support of pre-cast, proper curing of concrete work complete in all respect as per specifications and standard drawings and as per direction of Engineer-in-Charge.

For Class-AA loading

Sluice valve chamber of size1.13m x0.85m x1.325m for pipe size-upto100 mm

Sluice valve chamber of size1.17m x0.95m x1.47m for pipe size-from 125-to-150 mm

Sluice valve chamber of size1.26m x1.185m x1.88m for pipe size-from 200-to-300 mm

For Class-A loading

Sluice valve chamber of size1.13m x0.85m x1.27m for pipe size-upto100 mm

Sluice valve chamber of size1.17m x0.95m x1.415m for pipe size-from 125-to-150 mm

Sluice valve chamber of size1.26m x1.185m x1.82m for pipe size-from 200-to-300 mm

Providing Household Tap Connection as per technical specification and approved drawing as per relevant IS code (amended up to date) from uPVC/DI/AC/MS/GI pipe line up to consumer meter/premises by using PP/MS saddle piece (Complete job).This job includes digging out suitable size of pits and trench for laying service line in all kinds of soil (excluding road); depositing and refilling of pit & jhiri with watering & ramming /compacting in layers and disposal of surplus excavated soil as directed with in a lead of 100 meter ; providing & fixing of all fitting duly approved in accordance with specification for potable water including MS/PP saddle piece, gunmetal ferrule 4.0 mm , GM Full-way Valve (IS:778 Mark) or ball valve (min. weight 165 gm) and specials, below ground level 20 mm nominal dia MDPE pipe PE 80 PN 16 as per ISO 4427 / 20 mm nominal dia PPR-C (Three layered) pipe PN16 SDR 7.4 (IS:15801:2008) (ISI mark) and above ground level using 20 mm dia PPR-C pipe with standard PPR fittings/ 15 mm dia GI pipe with fittings in the premises for fixing a tap / meter box (excluding) ,including accessories with flushing, cleaning, disinfecting and testing of pipe line complete required for making of service connection complete in all respect including labour charges . The service line should be laid at least 45 cm below ground level. Note: Road cut and restoration is not part of this item and paid separately.

For connection with 20 mm dia MDPE/PPR-C pipe length up to 05 mtr.

Work of Inter Connection in AC/PVC/HDPE pipe line up to 1.5 mtr depth by digging out suitable size of pit at site of work including dewatering and providing adequate safety arrangement at site, cutting of existing pipeline, jointing of Tee (complete) and other specials to make inter connection repair leak proof and then refill the pit from excavated sand by ramming it at sides of pipe & upto ground level for entire job contractor will use his own T&P & labour and will arrange transportation of material required from store. (Material such as Tee/ Tee Clamp/rubber sheet/ CID joints required for inter connection shall be provided by the department free of cost).

In all type Soil

80 mm to 110 mm

125 mm to 165 mm

200 mm to 300 mm

Add on above item no. 16 for B.T. Road 5 % Each

Add on above item no. 16 for CC Road 10% Each

Add on above item no.16 if depth of pipe line is above 1.5 mtr and up to 3.0 mtr 20% Each

Work of Inter Connection in CI/DI/MS pipe line up to 1.5 mtr depth by digging out suitable size of pit at site of work including dewatering and providing adequate safety arrangement at site, cutting of existing pipeline, jointing of Tee (complete) and other specials to make inter connection repair leak proof and then refill the pit from excavated sand by ramming it at sides of pipe & upto ground level for entire job contractor will use his own T&P & labour and will arrange transportation of material required from store. (Material such as Tee/ Tee Clamp/rubber sheet/ CID joints required for inter connection shall be provided by the department free of cost).

In all type Soil

80 mm to 100 mm

125 mm to 150 mm

200 mm to 300 mm

Add on above item no.17 for B.T. Road 5% Each

Add on above item no.17 for CC Road 10% Each

Add on above item no.17 if depth of pipe line is above 1.5 mtr and up to 3.0 mtr 20% Each

Restoration of bitumen road by patch work of WBM using crushed / broken aggregate as per the standard specification and consolidation with hand rammer spreading and consolidation of binding material, cleaning of surface of WBM and providing of seal and tack coat as per site condition by using ready cold mix upto the satisfaction of engineer in charge. The rate includes the making of pit in regular shape, all labour, material and T&P charge complete job.

Road cutting for house hold service connection in minimum trench width wherever road crossing is required. Road cutting of cement concrete,WBM, Black top etc. of all thickness shall be done by using a concrete cutter machine keeping minimum trench width and restoration of the road with Cement concrete with PCC M-10 and CC M-30 grade as per specification and direction of Engineer in charge..