EXHIBIT B-1 - SUMMARY OF ESTIMATED STAFF EFFORT (HOURS) AND COSTS
DESIGN PHASE FOR PRIMARY TANK UPGRADES
CITY OF NASHUA, NH
TASK DESCRIPTIONS
Typical Salary Rate
Principal-in-
Charge
$67.00
Project
Manager
$56.00
Sr. Technical
Advisor
$49.00
Lead Project
Engineer
$36.00
Project
Engineer
$33.50
Sr. Project
Engineer -
Civil
$43.00
Project
Architect
$54.00
Sr. Project
Engineer -
Structural
$56.00
Project
Engineer -
Mechanical
$46.00
Sr. Project
Engineer -
Instrument.
$53.00
Sr. Project
Engineer -
Electrical
$55.00
CAD
Technician
$25.00
Admin.
Assistant
$20.00
TOTAL
HOURS
NON-LABOR
SUBS
DIRECT LABOR
COST
TOTAL
SUB-TOTALs
Design of Primary Tanks Upgrade
!. Preliminary Design
A_ Conduct kickoff workshop
a
a
12
a
2
Q
°
o
34
$200.00
$0.00
$1,322.00
$4,099.15
B_ Prepare base plans
10
16
29
$150.00
$0.00
$898.50
$2,800.06
C Prepare and issue draft TMs:
1 Evaluate design reqs for upgraded chain &
flight mechanism (include 1 day of site visits to
other WWTF with staff}. Evaluate options for
relocation of drive/return shafts. Draft TM.
36
42
$200.00
$0.00
$1,542.00
$4,748.02
2 Evaluate options for new sludge withdrawl
system for basins 3, 4, 5. Draft TM.
16
$0.00
$0.00
$662.00
$1,952.52
3 Determine options for new access hatches
over sludge wells, draft TM.
$0.00
$0.00
$281.00
$828.79
4 Access condition of primary pumps with
mfgr's rep and determine rehab requirements.
Draft TM.
12
$150.00
$0.00
$530.00
$1,713.20
5 Inspect odor control fan with mfgr's rep to
determine rehab reqs. Inspect grease/mist
eliminator, fan enclosure and carbon vessel
with mfgr's rep and access upgrade needs.
Draft TM.
16
24
$150.00
$0.00
$936.00
$2,910.67
6 Evaluate scum disposal and handling
alternatives including screening and
thickening, pumping, scum well upgrades (1-
day of site visits to other WWTF with staff).
Draft TM
10
70
$200.00
$0.00
$2,618.00
$7,921.61
7 Evaluate options to prevent floatables from
accumulating in primary influent channel, draft
TM.
10
$0.00
$0.00
$683.00
$2,014.46
8 Evaluate gravity thickener loadings with regard
to typical loading rates, access chemical
addition alternatives and options to improve
flow split. Draft TM.
36
$0.00
$0.00
$1,716.00
$5,061.22
9 Conduct pipe thickness testing to confirm
suitability of piping. Summarize recommended
piping, fitting and valve modifications. Draft
TM. Assume 2 days on-site and assistance
from Nashua staff.
20
26
$250.00
$400.00
$729.00
$2,800.13
10 Evaluate requirements to allow tanks to be
drained through sludge withdrawl lines, draft
13
$0.00
$0.00
$393.00
$1,159.13
11 Building Design Disclipines shall inspect
existing facilities and prepare preliminary
design technical memos summarizing
anticipated improvements as follows:
(a) Assess the condition of the existing concrete
in tanks, assume 1 site inspection and
assistance from Nashua staff.
Recommendations summarized in draft TM.
14
20
$150.00
$0.00
$995.00
$3,084.68
(b) Draft instrumentation TM memo to summarize
exist. control system & recommended
improvements. Including monitoring system
for the clarifier mechanism & proposed
changes to the sludge withdraw! system.
24
36
$0.00
$0.00
$1,616.00
$4,766.28
(c) Electrical TM outlining requirements for new
electrial gear.
32
$0.00
$0.00
$2,104.00
$6,205.60
(d) Draft architectural TM summarizing existing
code issues in Primary Gallery and stairwell
and recommendations for space upgrades.
10
33
$0.00
$0.00
$1,422.00
$4,194.09
