Kerala Water Authority
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KERALA WATER AUTHORITY AMRUT - PHASE III - Package - I Strengthening of Existing Infrastructure Facilities and Quality Improvement of CWSS in Kozhikode Corporation Re - e - TENDER No : SE/PHC/KKD/ 09 /201 8 – 1 9 DUE DATE: - 2 1 /0 7 / 201 8 NOTICE INVITING TENDER VOLUME – 2 SCOPE OF WORKS OFFICE OF THE SUPERINTENDING ENGINEER P . H . CIRCLE, KOZHIKODE KERALA WATER AUTHORITY MALAPARAMBA, KOZHIKODE - 9 TELE: 0495 – 2371046 Fax : 0 495 – 2371046 KERALA WATER AUTHORITY CONTENTS Chapter Description Page No. Volume 2 1. General information 3 2. Descri ption of route 4 3. Scope of the tender 4 4. Details of works . 5 4 .1 Gen e ral Information 6 4 .2 Description of route 6 4 . 3 Supply of Pipes, Specials 7 4.4 Supply of Sluice Valves 8 4.5 Supply of Air Valves 9 4.6 Supply of Specials 9 4.7 Laying and Commissioning of Pipe Line 1 1 4.7 .1 Trenching 1 1 4.7.2 Culverts and bridge crossing 12 4.7.3 BT/WBM/Berm cutting 12 4.7.4 Fencing 13 4.7.5 Shoring 13 4.7.6 Filling quarry muck 13 4.7.7 S urplus earth 1 3 4.7.8 Bailing out 1 3 4.7.9 Laying of Pipes 1 3 4.7.10 Supports to Pipeline 14 4.7.11 Jointing 1 4 4.7.12 RCC pipe supporting structure/pipeline bridge 1 4 4.7.13 Anchorage 15 4.7.14 Road crossing by push through method 15 NIT Volume II - Page | 1 4.8 Valve Chambers 15 4.9 Connection Chambers 1 5 4.10 Providing Fire hydrants 16 4.1 1 Reinstating house connections 16 4.1 2 Testing of pipe lines 16 4.1 3 As laid map 16 5. C larification. 17 6. S afety at site 1 7 7. U nforeseen items 1 7 8. P roject schedule 1 7 9. Drawings 18 NIT Volume II - Page | 2 KERALA WATER AUTHORITY VOLUME – II SCOPE OF WORKS AMRUT - PHASE III - Package - I Strengthening of Existing Infrastructure Facilities and Quality Improvement of CWSS in Kozhikode Corporation SCOPE OF WORK : - . Supplying, Laying, T esting and commissioning of 200mm DI K9 distribution main, 500mm MS pipe,750mm MS pipe, construction of valve chambers, inter linking with existing lines, reinstating house connections, providing fire hydrants in distribution lines, Road crossing by push through method, Design construction and commissioning of RCC bridge across river at Theng ilakkadavu. 1.0 GENERAL INFORMATION 1.1 Th e work named Supplying, Laying, Testing and commissioning of 200mm DI K9 distribution main, 500mm MS pipe,750mm MS pipe, construction of valve chambers, inter linking with existing lines, reinstating house connections, providing fire hydrants in distribution lines, Road crossing by push through method, Design construction and commissioning of RCC bridge across river contain s . 1 ) Supplying Laying T esting and Commissioning of 200mm DI K9 distribution main from Kalluthan kadavu to Mankavu along RHS of Eranjipalam Meenchanda Mini bypass and along both sides of Mavoor road from Mavoor road junction to Arayidathupalam 2 ) Supplying Laying T esting and Commissioning of 500 mm and 750mm MS pipe over RCC bridge at Thengilakadavu and interconnection with existing CI/DI gravity main. 3 ) Design construction and commissioning of RCC bridge for laying pipeline across Thengilakadavu river 4) Construction of Valve chambers NIT Volume II - Page | 3 5 ) Shifting House connections at Mavoor Road and at Mini bypass 6 ) Inter connection of pipe lines with existing lines 7 ) Providing Fire Hydrants in distribution line along Mavoor road 8) Road crossi ng by push through method at three places 1.2 The project named Supplying , Laying, T esting and commissioning of 200mm DI K9 distribution main, 500mm MS pipe, 750mm MS pipe, construction of valve chambers, inter linking with existing lines, reinstating house connections, providing fire hydrants in distribution lines, Road crossing by push through method, Design construction and commissioning of RCC bridge across river to p rovide potable water to the inhabitants in Kozhikode Corporation. Scheme area comes unde r Kozhikode Corporation , in Kozhikode taluk in Kozhikode District. The topography of the scheme area is undulating with respect to mean sea level in between +54.000 to +2.000. 1.3 The nearest railway station is Kozhikode at a distance of 8 km, the nearest sea port is Beypore at about 1 0 Km and the nearest air port is Karippur (Kozhikode) at about 2 0 Km from the site. 2. DESCRI PTION OF ROUTE All the proposed pipe lines are to be laid along Mini bypass from Kalluthankadavu to Mankavu and along Mavoor road from Aryidathupalam to Mavoor junction in Kozhikode Corporation and at Thengilakadavu in Mavoor panchayath. Pipe lines are to be laid along PWD and corporation roads. 3 . SCOPE OF THE TENDER ● The contract firm is bound to lay pipes over culverts and bridges crossings adopting standard procedure using suitable sized pipes as insisted by the authority rigidly supporting at needed locations. ● All such specials needed for the satisfactory co mpletion of the works and for future maintenance need to be supplied by the firm and necessary safety fittings such as air/scour/sluice/reflux valves etc are also need to be fitted at appropriate locations as identified by the Engineer in charge of the sit e. NIT Volume II - Page | 4 ● The contractor is also bound to maintain the entire facilities intact for one year from the date of commissioning. ● The firm should maintain the scheme intact and all the repair works arises during this maintenance period need to be attended in time on intimation from the competent authority. ● The contract firm is bound to maintain the as laid details of the pipes laid and should submit sufficient copies, on completion of the work, clearly earmarking important junctions/institutions etc. ● The scope of this tender covers Procurement of the listed quantity of pipes (Ref - table) laying, testing etc. The scope of this tender covers the following works 1 ) Supplying Laying T esting and Commissioning of 200mm DI K9 distribution main from Kalluthan kadavu to Mankavu along RHS of Eranjipalam Meenchanda Mini bypass – 3 304 m and along both sides of Mavoor road from Mavoor road junction to Arayidathupalam - 2 8 24 m 2 ) Supplying Laying T esting and Commissioning of 500mm MS pipe - 150m excluding length of specials and 750mm MS pipe - 150m excluding length of specials along proposed RCC Bridge at T hengilakadavu (90 m over the bridge and 15 m at slopped portion and balance length of 45m for interconnection of the line with existing CI/DI pipe line. 3) Supplying Laying T esting and Commissioning of 300 mm MS pipe - 70 m for casing pipe at push through portion (2 places along Mini bypass and 1 place along Mavoor road) . 4 ) Design construction and commissioning of RCC bridge for laying pipeline across Thengilakadavu river 5 ) Construction of Valve chambers - 13 Nos 6 ) Reinstating House connections - 300 Nos 7 ) Inter connection with existing lines – 40 Nos (with existing CI/PVC pipe lines) along Mini bypass from Kalluthan kadavu to Mankavu and along Mavoor road from Mavoor road junction to Arayidathupalam. 8 ) Providing Fire Hydrants – Supplying and fixing fire hydrants 6 Nos along Mavoor road confirming to relevant IS Specification 9 ) Road crossing by push through method at three places (2 places along Mini bypass and 1 place along Mavoor road ) . Total length – 70M 4 DETAILS OF WORK : Supplying, Laying, Testing and commissioning of 200mm DI K9 distribution main, along RHS of Kalluthankadavu to Mankavu and both sides of Mavoor road in between Arayidathupalam to Mavoor road junction, 500mm MS pipe and 750mm MS pipe at river crossing at Thengilakadavu , construction NIT Volume II - Page | 5 of valve chambers, inter linking with existing lines, Shif ting house connections, providing fire hydrants in distribution lines along Mavoor road , Road crossing by push through method, Design construction and commissioning of RCC bridge across river at The ngilakadavu . 4 .1 GENERAL INFORMATION OF WORK : - Pipes supplied shall be conforming to relevant IS Specification, the pipeline shall be laid along the predetermined routes, shall be tested for the maximum test pressure for the class of pipe specified in t he relevant IS codes. The entire road/culvert crossing necessitated to complete the pipe laying works should also be carried out without affecting the alignment and gradient of the pipe line. Identification board should be provided over the road side through the alignment of pipe line (2 Nos./Kms) as per direction of Departmental Officers. The alignment of pipe line should not be adjusted to affect any bend and required bend should be provided with necessa ry RCC anchor blocks/supports. The c ontractor has to provide necessary support for the pipe line laid exposed if any. 4 .2 DESCRIPTION OF ROUTE : - The route is through PWD , Corporation road in Kozhikode corporation and in Mavoor panchayath . There are culverts along the route of the pipe line. The pipe line can be laid under the ° culverts using nonstandard bends, lesser than 45 (MS) in order to minimize water thrust in bends. ° Care should be taken to avoid 90 bend in all such culvert and Road crossings The pi pelines to be laid along the extreme edge of the road (Earth berm portion of PWD/Corporation roads) and at all cases effort shall be taken to minimize cutting of BM/BC (BT) portion of the road. Damages should not be made to any private/public property duri ng the execution and if any damages made, the same shall be compensated by the contractor without any liabilities to Kerala Water Authority.