SS9901-CS040408 (2)COl'FELL
Deforest Road Litt Station Improvements
Force Main Lines A & B / SS 99-01
Preconstruction Conference Agenda
April 8, 2004
Utilities
· Franchised Utilities
· Dallas Water Utilities 54" water line
· City ofkving 54" water line
· TXU 42" raw water line
2. City of Coppell Guidelines
a) Safety - Traffic Control - Warning Devices - Lighted Barricades
b)
Working hours
Inspection hours are from 8:00 a.m. to 5:00 pm. For xvork on Saturday - request must be
made by 12:00 a.m. on Wednesday and called-off by 3:00 p.m. on Friday. No work
without written approval notice.
c)
d)
e)
Contractor responsible for all construction staking as per the plans.
Testing - City will choose the testing laboratory - contractor will pay for any retesting.
Contractor responsible for locating and protecting all utilities. Must pay for, or repair all
damaged utilities in a timely manner. Contractor is responsible for any damage to
landscaping due to a damaged irrigation system.
t)
i)
Contractor needs to dispose of all waste before it becomes a problem.
Traffic Control work hours are from 9:00 a.m. to 4:00 p.m. Only one lane of traffic can
be closed at any time. No lanes closed before 9:00 a.m. or after 4:00 p.m. Intersection
and turnaround closures.
Changes to plans or specifications must come through our office first.
Sanitary facilities on site.
j) Keep set of Construction Standards on site.
k) Superintendent on site at all times.
l) Construction trailer on site at all times.
m) Pro3ect signs
3. Submittals
a) Responsible persons (2) Names and 24 hour telephone numbers
b) List of subcontractors with contact person and phone number
c) Construction sequencing schedule
d) Monthly estimate form
e) Traffic Control Plan
f) Trench Safety Plan
g) Materials
ductile iron force main and fittings
concrete batch design for each mix
air relief valves
4. Construction Methods
Trench Embedment
· Type B 2 & C Y4" crushed stone to 3/4 up outside diameter of pipe - 1' sand over
pipe
· Type C when used in streets 95 - 100% compaction, +5 percentage points above
optimum moisture. Cement stabilized sand from top of embedment to bottom of
concrete, 1 foot behind back of curb.
2. No water jetting allowed.
Expansion Joints
· Full depth redwood boards extended through curbs
· At ends of each radius or as per plans and specifications
Paving
· # 3 rebar at 18" o.c.
· 3600 - 6 sack concrete - no fly ash - batch design
,, #6 smooth dowels x 24" long at 24" o.c.
· All concrete to be plated prior to releasing traffic. Contractor at his expense may
have cylinders cast early (3 days) other~vise plating (1" thick x 1' overlap of patch)
shall remain for 7 days assuming cylinder is okay.
5. All disturbed areas of median and parkway to be resodded with common Bermuda grass
sod and kept watered until established.
6. All barricades left behind curb overnight to have lights.
5. Final Walk- Through
6. Punch List
7. Record Drawings
8. Acceptance