NATIONAL WATER SUPPLY AND DRAINAGE BOARD

HYDRAULIC PROFILE
PRELIMINAR DESIGN DRAWINGS

WILGAMUWA HEENAGAGA WATER SUPPLY PROJECT

PLANT DESIGN & BUILD CONTRACT FOR CIVIL AND M&E WORKS
CONTRACT NO: P&P/D&B/LBF/WILGAMUWA/2014/01

CLIENT : NATIONAL WATER SUPPLY AND DRAINAGE BOARD

DESIGN : YUNICA DESIGN ENGINEERING (PVT) LIMITED
CONTRACTOR : HOVEL-CML.MTD JOINT VENTURE
 102.000
101.000
100.000
99.000
98.000
INTAKE CHAMBER GRIT CHAMBER INTAKE WELL
97.000
96.000
95.000
94.000
93.000
TWL91.700 (min)
92.000 91.600
91.150
91.000 TWL 90.800 TWL 90.775 TWL 90.630
Sand EXISTING WEIR
89.950
90.000 89.775

75
TWL 89.650

°
Rock or existing 89.600
structure concrete 89.385 SLOPE 1:20

89.000
88.000
87.000
86.000 85.500
85.000
84.000 84.000
MIN FOR
SUBMERGENCE
83.000
82.000 81.800

81.000
80.000
79.000
78.000
77.000
76.000
75.000

CLIENT NATIONAL WATER SUPPLY AND DRAINAGE BOARD REV DESCRIPTION DATE SIGN DESIGNED GI APPROVED IN PRINCIPLE SUBJECT TO THE REV NO DATE
GALLE ROAD, RATHMALANA, SRI LANKA.
WILGAMUWA HEENGAGA WATER SUPPLY PROJECT -1 1ST SUBMISSION 2017-01-24 DRAWN
CONDITION THAT THE DESIGN & BUILD -3 17-03-2017
PSCS
CONTRACTOR IS RESPONSIBLE FOR THE
DESIGN DRAWING TITLE -2 2ND SUBMISSION 2017-03-20 CHECKED HDS CONFORMITY OF THE DESIGN WITH SHEET SIZE SCALE
YUNICA ENGINEERS & CONSULTANT FUNCTIONAL & STRUCTURAL REQUIREMENTS.
NO:157/2, MUIBUN TOWERS DHARMAPALA MAWATHA ,COLOMBO - 07 -3 3RD SUBMISSION 2017-08-16 A3 1:1000
NATIONAL WATER SUPPLY AND DRAINAGE BOARD

CONTRACTOR DRG NO
CML-MTD CONSTRUCTION LTD
NO:155, DHARMAPALA MAWATHA,COLOMBO - 07
HYDRAULIC PROFILE - INTAKE NWS&DB/CP/WIL/100/HP/1
CONTRACT NO PROJECT MANAGER PROJECT DIRECTOR
P&P/D&B/LBF/WILGAMUWA/2014 CML - MTD CONSTRUCTION NWS&DB