Naved-ul-Hasan, hammered five fours from 45 deliveries.
Mohammad Ali was fairly impressive with the ball, taking 1-25 from nine overs. Left-arm spinner Khalid Usman picked 1-39 from seven overs.
Rana Naved-ul-Hasan, who bowled well except in two overs in the power-play, conceded 49 runs from nine overs.
After being invited to bat first, WAPDA battled all the way before posting the modest total.
Babar Khan got rid of openers Mohammad Fayyaz (10) and Iftikhar Ahmad (5), while Mir Ali removed Adnan Raees (1).
Rafatullah Mohmand (26) and Aamir Sajjad (39) added 44 runs for the fourth wicket to bring some stability to their innings. But both fell in quick succession to leave WAPDA at 101-5.
Rafat smashed three fours from 56 balls. Aamir banged five fours from 50 deliveries.
Rana Naved (31) and left-hander Ayaz Tasawwar (40) put on 50 runs for the sixth wicket to consolidate the innings.
Rana, who was trapped lbw by spinner Nasir Awais, hit one four and a six from 47 balls. Ayaz smashed four fours from 49 deliveries.
Zulfiqar Babar smashed a rapid 14-ball 26 with two fours and a six and Khalid Usman hammered 13-ball 19 with two fours.
Babar was ably backed by Mir Ali (2-30) and Nasir Awais (2-45).
The game started one hour late because of water on the ground. The match was reduced to 43 overs a side.
On Thursday (today), Hawks will face Faisalabad Wolves at the same venue.
Score Board
Hyderabad Hawks won toss
WAPDA
M Fayyaz lbw b Babar 10
Iftikhar b Babar 5
†Rafatullah c Zeeshan b Mir 26
Adnan c Sadam b Mir 1
Aamer lbw b Lal 39
*Naved lbw b Nasir 31
Ayaz c Azeem b Babar 40
Khalid c & b Nasir 19
Zulfiqar not out 26
Waqas not out 0
Extras (lb 2, w 11, nb 2) 15
Total (8 wickets; 43 overs) 212
Did not bat: Ali
Fall: 1-11, 2-29, 3-32, 4-76, 5-101, 6-151, 7-179, 8-197
Bowling: Mir 9-1-30-2 (3w); Babar 9-0-40-3 (2nb, 2w); Nasir 9-0-45-2; Lal 8-0-43-1 (3w); Shoaib 6-0-37-0 (2w); Haris 1-0-6-0; Sadam 1-0-9-0 (1w)
Hyderabad Hawks
Haris c Rafatullah b Ali 2
Zeeshan run out 37
*Azeem c Ali b Khalid 32
Faisal not out 68
Shoaib not out 55
Extras (b 8, lb 5, w 6, nb 1) 20
Total (3 wickets; 40.4 overs) 214
Did not bat: †M Awais, N Awais, Babar, Mir, Lal, Sadam
Fall: 1-12, 2-50, 3-104
Bowling: Ali 9-1-25-1; Naved 9-1-49-0 (6w); Zulfiqar 8-0-37-0; Waqas 7.4-0-51-0 (1nb); Khalid 7-0-39-1
Result: Hyderabad Hawks won by 7 wickets
Points: Hyderabad Hawks 2, WAPDA 0
Umpires: Asif Yaqoob and Zameer Haider