Annual maintenance estimate...

NS Item -Rectifying water leakage on running lines CI/DI/AC of size 250/300 mm with cost of mat

NS Item -Rectifying water leakage on running lines CI/DI/AC of size 100/150/200 mm with cost of material and Labour complete in all respect.

14.51.2-Hire charges for Hydraulic excavator/Loader like JCB/Pock lain, Hitachi etc with all accessories having bucket capacity 2. Hire Charges for excavator 0.40 to 0.75 cum bucket capacity

NS Item -Providing, lowering, laying in trenches, aligning, fixing in position and jointing Ductile Iron (D) ISI marked K-9 grade SandS pipes as per 15:8329-2000 (amended up to date), with internal cement mortar lining for potable water with rubber ring (EPDM/SBR) joints as per IS:1985 (excuding special accessories) complete including all material, labour, hydraulic testing and commissioning as per Technical Specifications and as per direction of Engineer. Note: E/W to be measured I and paid separately. 100mm i/d

20.59.2-Providing and fixing Cast Iron Detachable Joints class-25 marked with IS: 8794 for use with asbestos cement pressure pipes complete with 2 Nos. rubber rings marked with IS:5382 and IS:10292 and appropriate number of nut and bolts marked with IS:1363 including carriage, loading, unloading etc. complete in all respects to the satisfaction of the engineer-in-charge. (Excavation will be paid separately) 2. 100mm i/d CID Joint

20.59.3-Providing and fixing Cast Iron Detachable Joints class-25 marked with IS: 8794 for use with asbestos cement pressure pipes complete with 2 Nos. rubber rings marked with IS:5382 and IS:10292 and appropriate number of nut and bolts marked with IS:1363 including carriage, loading, 14unloading etc. complete in all respects to the satisfaction of the engineer-in-charge. (Excavation will be paid separately) 3. 150mm i/d CID Joint

20.59.4-Providing and fixing Cast Iron Detachable Joints class-25 marked with IS: 8794 for use with asbestos cement pressure pipes complete with 2 Nos. rubber rings marked with IS:5382 and IS:10292 and appropriate number of nut and bolts marked with IS:1363 including carriage, loading, unloading etc. complete in all respects to the satisfaction of the engineer-in-charge. (Excavation will be paid separately) 4. 200mm i/d CID Joint

20.59.5-Providing and fixing Cast Iron Detachable Joints class-25 marked with IS: 8794 for use with asbestos cement pressure pipes complete with 2 Nos. rubber rings marked with IS:5382 and IS:10292 and appropriate number of nut and bolts marked with IS:1363 including carriage, loading, unloading etc. complete in all respects to the satisfaction of the engineer-in-charge. (Excavation will be paid separately) 5. 250mm i/d CID Joint

20.59.6-Providing and fixing Cast Iron Detachable Joints class-25 marked with IS: 8794 for use with asbestos cement pressure pipes complete with 2 Nos. rubber rings marked with IS:5382 and IS:10292 and appropriate number of nut and bolts marked with IS:1363 including carriage, loading, unloading etc. complete in all respects to the satisfaction of the engineer-in-charge. (Excavation will be paid separately) 6. 300mm i/d CID Joint

20.49.1-Bailing out water from the trenches for making new connections in fully charged pipe-lines including cleaning trimming and dressing the trenches to correct alignment and grade as required by the Engineer-in-charge. Size of the main with which connection is to be made. 1. Up to 200 mm internal diametre

20.49.2-Bailing out water from the trenches for making new connections in fully charged pipe-lines including cleaning trimming and dressing the trenches to correct alignment and grade as required by the Engineer-in-charge. Size of the main with which connection is to be made. 2. Exceeding 200 mm internal diametre but not exceeding 300 mm internal diametre