CITY OF NASHUA, NEW HAMPSHIRE
WWTF HEADWORKS UPGRADE PROJECT
Change Grder No. 7 Summary
Item No.|Description Reason Amount
1 Concrete Removal & Channel Additional concrete removal required in “long” channel fo install new mechanical 5 14,154.10
Cleaning bar screen. Wet weather event required the wet well/lower screen room to be oo
Demolition of ceiling in first-floor hallway revealed open duct space from the
2 Headworks Stairwell wetwell to the men's locker room; repairs made to bring the space up to current $ 6,996.34
code.
Existing conditions require conveyor from long channel wash press to be adjusted .
3 Conveyor Off-set SO as not to impact an existing beam. s 5,673.53
, tectrical W Work required to reconnect the Polymer Crane Feed and Breaker and :
4 Misc. Electrical Work Maintenance Shop Feed and Breaker (both were indicated to be removed and not $ 29,582.50
City request to install a viewing port in the wall between the Screenings Room
5 |Screenings Room Viewing Port an - creenings Garage epe 6 5 3,266.64 |"
TRISTE condilions required removing anu replacing an aldiional Segmmelr or 70
6 —|FRP Odor Control Off-set FRP duct. $ 3,000.00 fi
Total $ 62,673.11
