Request for Proposal For Procurement Of Drilling And Installation Of A Shallow Well In Renk

Request for proposals for Procurement of Drilling and Installation of a Shallow Well in Renk. Shallow well dimensions 2m diameter and 15m depth. 1.0 Preliminaries 1.1 Mobilization to and demobilization from the site Item 1.0 1.2 Site clearing and setting-up Item 1.0 Geophysical investigation of the area for location of the most suitable point for a shallow well if applicable Summary carried to collection. Excavation and Earth Works Item 1.0 A The rate shall include strutting/shoring, shuttering, shoring, stabilising the excavated surfaces and keeping the excavation water tight by continuous pumping out. 2.1 Excavation in bulk for shallow well no exceeding 2.0m commencing from the existing ground level. M³ 12.3 2.2 Ditto but depth range from 2.0m to 8.0m M³ 39.9 2.3 Ditto but depth range from 8.0m to 15.0m M3 43.1 3 Summary carried to collection Masonry Works and Reinforced Cement Concrete (RCC) A The rate of masonry works shall include the cost for burned bricks, solid blocks, cement sand, aggregate, reinforcements tensile bars and water for curing for seven working days. 3.1 100mm thick plain concrete 1:3:6 as blinding under the RCC slab M³ 0.5 3.2 250mm thick RCC class 20 (1:2:4) mix as foundation bed, cast monolithically with the shear wall in 100mm thick plain concrete blinding at the base slab M³ 0.9 3.3 200mm thick RCC slab shear wall of depth 1500mm with concrete 1:2:4 mix and cast monolithically with the ground well bottom slab M3 1.9 3.4 Lining of shallow well in block formation and mortar mix 1:3 solid block formation with wall perforation not exceeding M² 15.7 2500mm from the level of shear wall 3.5 Lining of shallow well in bricks and mortar mix 1:3 without perforated formation of brick of brick work not exceeding 11000mm from the level of perforated brick work M² 69.1 3.7 Provide 4 nos.RCC 1:2:4 circular beams 200mm x 200mm 4T10 as the main bars and R8 as a links spaced @150mm c/c M³ 0.5 Provide 200mm thick RCC wall cover slab 1:2:4 mix. Properly anchored to the bottom of the vertical wall with provision for for anchoring pump pedestral and installation of the pump. T10 bars spaced Item 1.0 at 100mm c/c 3.9 Construct well apron 2000mm dia complete with drainage channel in C25 RCC as provided in the drawing. Construct a ramp with handrail, 0.9 m wide with a gradient of atleast 1:10 ration Item 1.0 Back filling 4.1 Backfill to fill the void/spaces around the wall-lined pit with gravel pack/river pebbles, properly placed to uniform finished as shall be directed by the engineer. Summary carried to collection 5.0 Hand Pump Installation 5.1 Supply, install and test hand Pump with Kit (India Mark II) 6.0 A Summary carried to collection Fencing (5mx5m) Supply steel angle sections 50x50x3mm as poles and 75x75x3mm as terminal poles, plant in the space of 2000mm in a concrete mix 1:2:4, at a depth of 600mm and diameter of 400mm, 2100mm above the ground level and with 600mm welded arms. Install 3 strands of tensioning cables, 3 strands galvanized barbed wire and a GAW chain link 7 feet as the main cover to angle lines (wire diameter 5mm gauge 10) rate to include excavation for burying 0.1m in the soil and nails welded/holes to the poles for tensioning the chain link) completes with an access gate (1.2m X 1.0) fix with heavy duty post hinges (local made) and weld to join the frames of the mini access gate with terminal posts, fix heavy duty latches (local made), fix to gate cane bolt (complete with hook, long pin 200mm, guide and a pin keeper of 20mm. Summary carried to collection 7.0 Provisional sum 7.1 Allow some amount for site book and personal protective equipment (PPE/Safety gear for staff) e.g Overalls, gumboots/safety shoes, helmets Summary carried to collection Grand Total (USD) Tender Link : https://comms.southsudanngoforum.org/c/tenders