Request For Proposals Are Invited For Rehabilitation Of Nceka Dam And Irrigation Scheme

Request For Proposals Are Invited For Rehabilitation Of Nceka Dam And Irrigation Scheme As A Basis Of The Execution Of The Duties The Consultant Shall Use The Preliminary Report Prepared By The Project Engineer To Scope The Works The Summary Of The Expected Works Is As Follows Spillway Rehabilitation This Involves Rehabilitation Of The Channel And Embankments Of The Spillway To Allow Free Flow Of Water And Preventing Breaking Of The Walls Of The Spillway In The Process Silt Trap Design And Construction Due To Massive Siltation Observed In The Dam A Silt Trap Is To Be Designed And Constructed Across The Water Way That Feeds To The Magojela Dam Extending Conveyance To The Off Stream Reservoir To Ensure That Water Is Adequately Within The Scheme The Conveyance Pipe From Magojela Dam Should Be Able To Replenish The Off Stream Reservoir That Will Be Achieved By Provision Of A Connection From Magojela To Tofu Using A Pipeline Of About 160 Mm Diameter Weir Upgrading At Tofu Intake Following The High Level Of Siltation At The Intake That Conveys Water To The Off Stream Reservoir There Has Been A Need To Re Design The Structure To Minimize Siltation Intake Box Design At The Off Stream Reservoir There Has Been A Need To Construct An Inlet Structure To Minimize Erosion Of The Embankment When Water Is Delivered From The Pipeline Conveying Water From Tofu The Intake Will Receive Water From A 160 Mm Pipeline Re Design And Positioning Of The Off Take At The Off Stream Reservoir The Off Take Has Been Blocked Due To Sedimentation However It Could Be Ratified By Re Positioning Of The Off Take And Raising Its Height Improvement Of The Infield Pipe Network The Consultant Will Design Improvements Of The Infield Pipe Networks By Installation Of Isolation Valves To Allow Individual Farmers Water Management Approach Development Of Crop Production Programme In Consultation With The User Group And Piu Revise The Current Crop Production Schedule With The Aim Of Aligning It With The Projects Objectives Scoping And Market Platforms Using The Preliminary Design Report Prepared By The Project Engineer And Maps Obtained From The Land Use And Planning Unit Of The Ministry Of Agriculture Moa The Consultant Shall Undertake Detailed Survey Design Conveyance Infield Works At The Irrigation Scheme At Ngololweni The Dam Has To Have Provision For Other Uses Which Includes A Washing Platform For At Least Five 5 People Two 2 Cattle Drinking Troughs And A Connection To A Dipping Tank The Consultant Shall Also Undertake A Cost Benefit Analysis Of The Project And Also Solicit Approaches That Will Make The Project Viable A Crop Production Programme That Is In Line With The Objectives Of The Project Shall Be Developed Upon Satisfactory Delivery Of The Design The Consultant Will Be Engaged To Provide Construction Supervision For The Works The Time Frame For Design Of The Project Is 2 Months A Compulsory Clarification Meeting And Site Inspection With Consultants Will Be Conducted In Two 2 Days At The Nceka Site Meeting At Swade Siphofaneni Main Office At 9 00A M On The 15Th May 2019 Closing Date 3Rd June 2019

Refer document