Presentation For 8.1 MGD Water Supply to Quetta CONSTRUCTION OF MANGI DAM AND WATER CONVEYANCE SYSTEM

Name of Project: Construction of Mangi Dam and water Conveyance System Location: The Mangi Dam is proposed to be constructed Near Mangi Village on Khost River about 76Km from Quetta City. Estimated CostRs. 9, million Construction of Dam Body (Rs billion) Construction of Water Conveyance System (Rs.5.05 billion) Construction of Boosting Stations, Surface Storage Tanks and Building (Rs billion) 3

SALIENT FEATURES A.DAM BODY B.Type:Concrete Gravity Height over deepest foundation:61 M ( ft) Catchment Area:1217 Sq Km (470 sq miles) Crest Length:202 M ( ft) RESERVOIR: Mean Annual Flow:20.3 MCM ( Acre-ft) Gross Reservoir Capacity:36.43 MCM ( Acre-ft) Dead Storage:4.69 MCM ( Acre-ft) Live Storage:31.74 MCM ( Acre-ft) Total Annual Releases:13.41 MCM ( Acre-ft) 15 ft3 /sec B.SPILLWAY Type and Location :Ungated, Confined Overflow Design Discharge:888 m 3 /s (31353 ft 3 /s) based on 1 in 10,000 year return period 4

Crest Width30.0 m (98.4 ft) C. INTAKE STRUCTURES Intake Type and Size:Intake structure built on upstream of dam body D. WATER CONVEYANCE SYSTEM Pumping Main to High Point40 Km of 600 mm DI pipeline Combined Gravity Main20 Km of 450 mm DI Pipeline Pumping RequirementsIntake Tower plus three Booster pumping stations Maximum Capacity of Pumping Station.36,720 m 3 (8.1mgd) Water Storage Tanks Capacity (18,000m 3 )2 Nrs. (40,00,000 gallons each) Capacity (5,400m 3 )3 Nrs. (12,00,000 gallons each) 5

RIVER GORGE AT MANGI DAM AXIS

Reservoir Area on Right Side of Dam Site MANGI DAM

DAM LAYOUT PLAN

HOUSES BUSHES GRAVEYARD PROPOSED DAM RESERVOIR BOUNDRY ORCHARD CULTIVATED LAND ROAD / TRACK NALA FLOW DAM CREST LEVEL = M NORMAL POOL LEVEL = M RESERVOIR BOUNDRY RESERVOIR AREA = 400 HECTARES LIMIT OF RESERVOIR AREA TO BE ACQUIRED AT LEVEL = 1624 M PROPOSED GRAVITY DAM MANGI DAM RESERVOIR G.L = 1595 M RUINS OF RAILWAY BRIDGE

Executing AgencyPublic Health Engineering Department through Project Management Unit (PMU) Mangi Dam Project by establishment of Two Supervisory Cells i.e Dam: A cell of technical team from Irrigation Department will assist the PD Mangi Dam Project during execution of dam component. Water Conveyance System: A cell of technical committee from Public Health Engineering Department will assist during execution of water conveyance component. Approval Status Mangi Dam Project is included in Federal PSDP with 50:50 sharing basis. The Project is approved by ECNEC on 08 th March 2016, an amount of Rs million has already been released by the Federal Government, whereas; Rs million is current year allocation in Federal PSDP. Time of Completion36 months 11

Objectives. i.Providing about 8.1 MGD for augmenting the existing under stress water requirements of Quetta Town. ii.Shifting the existing trend of extracting underground water by means of tube wells to more sustainable option of constructing the surface water storage reservoirs. iii.Providing un-interrupted drinking water supplies to the inhabitants of Quetta Town by means of Construction of water Tanks in Quetta Valley. iv.Uplifting the livelihood of inhabitants by providing employment and business opportunities during construction phase of the project. v.Mitigating the impacts of floods D/S of proposed Dam site. 12

Present Status a)Expression of Interest (EOI) for shortlisting of country leading well reputed consulting firms has been completed. b)The Request for Proposal (RFP) documents have been provided to the shortlisted consulting firms in order to obtain technical & financial proposals (Last date 09 th June, 2016) Contract Agreement with FWO The Mangi Dam project was originally part of QWSEIP, but later on excluded from the scope of project and included in Federal PSDP as an independent project. Initially an agreement dated for survey investigation and designing of Mangi & Halak Dam was signed with FWO for a cost of Rs million. FWO has completed the assigned task & payment of Rs million has been made to FWO. 13

Another agreement for construction of Mangi Dam and Conveyance System was made with FWO through “Direct Contracting” against contracted price of Rs billion on The same could not attain maturity & finally the Mangi Dam project was excluded from scope of QWSEIP project & included as on independent project in Federal PSDP. Balochistan Public Procurement Regularity Authority (BPPRA) rules have now been implemented in Balochistan w.e.f To decide fate of agreement signed with FWO, legal advice from Law & Parliamentary Affairs Department was sought. The Law & Parliamentary Affairs Department concluded that the contract agreement of June 2007 is not advisable in light of judgments of the Hon’ble Supreme Court and enforcement of BPPRA rules. 14

Way Forward Award of Civil Works In order to expedite pace of progress of project and to save time, the process of pre-qualification of Civil Contractors as per Balochistan Public Procurement Rules 2014 needs to be initiated. Some of the country leading civil works contractors are: Frontier Works Organization (FWO) National Logistic Cell (NLC) Descon International Pvt Ltd o Meerani Dam Project awarded (Rs.6.0 Billion) Zahir Khan & Brothers (ZKB) o Shadi Kaur Dam Project (Rs.7.0 Billion) o Basol Dam Project (Rs.9.6 Billion) Sadullah Khan & Brothers (SKB) o Sabakzai Dam Project (Rs.2.0 Billion) 15

Agha Construction Company o Construction of Six Dispersal structures on Nari River (4.5 Billion) Noor ul Haq & Brothers o Sawar Kaur Dam Project (1.00 billion) o Water Conveyance System of Shadi Kaur Dam Project. (2.50 billion) o Water Conveyance System of Basol Dam Project. (3.50 billion) Conclusion. The Reputed firms such as; FWO, NLC & other major construction companies will be facilitated & encouraged to participate in the bidding process 16