8423 E8 REPAIRS TO EXTERNAL WATER SUPPLY DISTRIBUTION LINES WITH ALLIED WORKS UNDER AGE EM WEST OF GE M AF JALAHALLI BANGALORE

Amount

Excavation in trenches n.exc 1.5 m wide and n.exc 1.5m depth and getting out in soft/loose soil for laying of CI/DI/GI pipes complete all as specified and as directed.

Returning, filling in soil including spreading, leveling, watering and well ramming in layers n.exc 25 cm in any type of soil complete all as specified and as directed.

Removing surplus soil to a distance n.exc 50m and depositing where directed at a level n.exc 1.5m above the starting point complete all as specified and as directed.

Cutting the existing road/hard standing/chequered cement concrete tiling/PCC floorinf etc, not exceeding 50 CM wide and 50CM depth, for laying CI/GI/DI pipe line complete all as specified and as directed.

Material and labour for Plain cement concrete 1:4:8 type D-2 using 40 mm graded stone aggregate foundation complete all as specified and as directed.

Material and labour for PCC 1:3:6 type C1 using 20 mm graded stone aggregate for road/hard standing/chequered cement concrete tiling/PCC floorinf etc, including necessary form work to exposed surfaces finished smooth and even complete all as specified and as directed.

Taking up or down existing GI steel tubing 80 mm bore and removing to stores include disconnection of fittings from tubing where reqd in any position Note for item No 7 to 48 : Excavation & earth work will be measured and paid for separately under item No 1 to 3

All as per item No 7 but for 50mm bore

All as per item No 7 but for 40mm bore

All as per item No 7 but for 25mm bore

All as per item No 7 but for 20mm bore

All as per item No 7 but for 15mm bore

Refixing of old serviceable GI tubing / connection of 80 mm bore in new or old positions including cleaning, cutting, threding all as directed, along with GI fittings where ever replaced and required at site.

All as per item No 13 but for 50mm bore

All as per item No 13 but for 40mm bore

All as per item No 13 but for 25mm bore

All as per item No 13 but for 20mm bore

All as per item No 13 but for15mm bore

Supply and laying GI tubing 80 mm bore medium grade with all fittings laid in trenches complete including cutting and thereading all as required at site .

All as per item No 19 but for 50mm bore

All as per item No 19 but for 40mm bore

All as per item No 19 but for 25mm bore

All as per item No 19 but for 20mm bore

All as per item No 19 but for 15mm bore

Supply and fixing GI tubing medium grade 40mm bore with all fittings on wall complete including cutting and thereading all as required at site .

All as per item No 25 but for 25mm bore

All as per item No 25 but for 20mm bore

All as per item No 25 but for 15mm bore

Taking out damaged water mains CI/DI/Cement pipes of 80 mm bore (including all fittings) with spigot and socket ends any type and lead joints including burning out joints and recovering lead all as specified and directed.

All as per item No 29 but for 100 mm bore

All as per item No 29 but for 150mm bore

All as per item No 29 but for 200mm bore

Relaying of CI water pipe lines of 80 mm bore includings necessary new all fittings after removal of scalling , cleaning and flushing etc complete all as specified and directed.

All as per item No 33 but for 100 mm bore

All as per item No 33 but for 150mm bore

All as per item No 33 but for 200mm bore

Rerelaying DI water pipe of 80 mm borelines includings all fittings after removal of scalling , cleaning and flushing etc complete all as specified and directed .

All as per item No 37 but for 100 mm bore

All as per item No 37 but for 150mm bore

All as per item No 37 but for 200mm bore

Supply and laying of cast iron pipes 80mm bore with spigot and socket ends centrifugally cast, Class LA, confirming to IS suitable for lead joints in any length laid in trenches all as specified and directed .

All as per item No 41 but for 100mm bore

All as per item No 41 but for 150mm bore

All as per item No 41 but for 200mm bore

Supply and laying of DI pipes K-9 200mm bore with all fittings like tee, bend elbow etc , confirming to IS suitable for DI pipe in any length laid in trenches all as specified and directed .

All as per item No 45 but for 150mm bore

All as per item No 45 but for 100 mm bore

All as per item No 45 but for 80 mm bore

Supply and fixing for DI fittings confirming to IS for spigot and socket pipes, upto 200 mm bore such as bends, tapers, tee pieces single branch, collars etc.

Removing the gate from sluice valve of size 80mm dia in any position and metalizing with bronze and match with standard size and refixing in position all as specified and directed .

All as per item No 50 but for 100mm dia

All as per item No 50 but for 150mm dia

All as per item No 50 but for 200mm dia

All as per item No 50 but for 250mm dia

Material and labour for replacing the gland packing for sluice valves of size 80mm bore , complete all as specified and directed.

All as per item No 55 but for 100mm bore

All as per item No 55 but for 150mm bore

All as per item No 55 but for 200mm bore

All as per item No 55 but for 250mm bore

Burning out lead joints position including removing old lead from the CI pipes of 80mm bore

All as per item No 60 but for 100mm bore

All as per item No 60 but for 150mm bore

All as per item No 60 but for 200mm bore

All as per item No 60 but for 250mm bore

Material and labour for run lead joints to CI spigot and socket pipes of 80mm bore and fittings complete all as specified and directed.

All as per item No 65 but for 100mm bore

All as per item No65 but for 150mm bore

All as per item No 65 but for 200mm bore

All as per item No 65 but for 250mm bore

Dismantling and taking out unserviceable sluice valve of any sizes from any position by unscrewing/ cutting the rusted nuts.

Supply and fixing Sluice valve of size 80 mm bore of CI body, both ends flanged duly drilled, ISI marked with IS-14846-2000, PN-1.6 having Stainless Steel spindle and check nut including operating wheel cap, fixing with new nuts, bolts, washers and rubber insertion/ packing complete all as directed.

All as per item No 71 but for 100 mm bore

All as per item No 71 but for 150mm bore

All as per item No 71 but for 200mm bore

All as per item No 71 but for 300mm bore

Supply and fixing in repairs gun metal gate valve of 80mm bore ISI marked with iron wheel head, screwed both ends for iron pipe including taking down the unserviceable existing.

All as per item No 76 but for 50 mm bore

All as per item No 76 but for 40mm bore

All as per item No 76 but for 25mm bore

All as per item No 76 but for 20mm bore

Clearing the bushes trunk girth not exceeding 1.0 mtrs around valve chambers and depositing at a distance nexceeding 50mtrs from starting point

Construction of valve chamber with inner dimensions of 900mm x 900 mm x 900 mm with PCC 1:4:8 type D2 in foundation 23 mm thick brick wall in CM 1:4, PCC 1 : 2 :4 type B1 in coping, rendering 15 mm thick both internal and external surfaces in CM 1:4 including provision of MS sheet cover of 3 mm thick with MS angle 25x25x5mm size frame work all as shown in drawing, painted with 2 coats of synthetic enamel paint over a coat of red oxide primer and locking arrangement including necessary earth work and excavation complete all as specified and shown on drawing , including dismantling the old one.

All as per Item No-82 above but of size 1200x1200x1200mm

Fabricate supply and fix valve chamber covers made out of suitable size MS angle/MS plate/flat/rod, hinges, locking arrangement including painting with two coats of synthetic enamel paint over one coat of red oxide primer including removimg existing unserviceable rusted cover all as directed by Engineer-in-Charge

Material and labour for painting of valve chamber covers, display boards etc,. boxes with one coats of synthetic enamel spray paints matching existing colour after scrapping the old paint by means of emery paper and cleaning with thinner including necessary markings/sign writing etc all as directed by Engr-in-charge.

Supply and fixing in repairs Non return valve (NRV) ISI marked, gun metal body suitable for 200mm dia pipe line including taking down old valve all as directed.

All as per Sl item No 86 here-in-before but 150mm bore

All as per Sl item No 86 here-in-before but 100mm bore

All as per Sl item No 86 here-in-before but 80mm bore

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