HomeMy WebLinkAboutNC0065749_More Information Received_20180525 1111WWK
LETTER OF TRANSMITTAL ODICKSON
community infrastructure consultants
616 Colonnade Drive Charlotte,North Carolina 28205 704.334.5348 tel.
TO: NPDES Complex Permitting DATE: 05/22/2018
NC DEQ/Division of Water
Resoucres/Water Quality
Permitting
1617 Mail Service Center RE: Additional information request for
Raleigh,NC 27699-1617 Ashe Plantation WWTP(NC0065749)
ATTENTION: Bing Bai,Ph.D.,EI Application
We are sending via: ❑Overnight ®Regular Mail ❑Pick-up ❑Hand Delivered
The following items: ❑ Correspondence ❑ Plans ❑ Specifications ® Other as listed below:
COPIES DATE NO. DESCRIPTION
One(1) 05/22/2018 Updated Ashe Plantation Documents per DEQ Comments
RECEIVE®/DENRoWK
MAY 25 %018
Water ResoUrces
Permitting Section
THESE ARE TRANSMITTED as checked below:
For Approval ❑As Requested ❑Approved as Submitted ❑Returned for Corrections
❑For Your Use ❑For Review and Comment ❑Approved as Noted ❑Forward to Subcontractor
REMARKS:
C .-
6141COPY TO: SIGNED: I '
\\Ir/Pqr State of North Carolina
p •• '� Department of Environmental Quality
3a � �.•, SSS 0 ,
.Z..:(4:4 4/%7 : Division of Water Resources
. a SEAL r-:
04562
Water Resources • / ,,
ENVIRONMENTAL QUALITY - [. ,;.•�-; IZATION TO CONSTRUCT PERMIT(FORM ATC-12-14)
/11/1111110
(Gas; gallons of contact
Dechlorination N/A
tablet;liquid) tank/unit
5. RESIDUALS TREATMENT
No.of Plan Sheet Specification Calculations
Treatment Unit Provided?
Units Type Size per Unit Reference Reference
(Yes or No)
Gravity ThickeningN/A square feet; ft side
Tank water depth
Mechanical
Thickening/ N/A dry lb/hour
Dewatering
Aerobic Digestion 1 Sludge Holding 10,472 gallons P.4, P.5 46 07 53 Yes
Anaerobic N/A gallons
Digestion
Composting N/A dry lb/hour
Drying N/A dry lb/hour
Other N/A
6. PUMP SYSTEMS(include influent, intermediate, effluent, major recycles,waste sludge,thickened waste sludge and plant
drain pumps)
No.of Capacity of Plan Sheet Specification
Location Pumps Purpose Type each pump Reference Reference
GPM TDH
Influent Pumps 2 Influent PS Submers�FlDe Grinder 243 35.2 P.3 33 32 10
EQ Pumps 2 EQ Submersible 70 16.25 P.3 46 07 53
RAS Pumps 3 RAS Rotary Lobe 105 92 P.3 46 07 53
7. MIXERS
No.of Power of Plan Sheet Specification
Location Mixers Purpose Type eac(hHP fixer Reference Reference
)
N/A
Application for Authorization to Construct Permit(FORM ATC-12-14) Page 10
Capacity 243 gpmo.
Ill ,
Static Head 29.1 feet `0*-. ESI•
'V •
Total Dynamic Head 35.2 feet 'a. SEAL r
045625
Maximum Speed 1175 rpm ,•
Maximum Horsepower 5 Hp with VFD .r. .\0%�o
tiff VW ttt
Motor Electrical Supply 460 v/3Ph/60 Hz
Minimum Sphere Passage 3-inch
1.5 SUBMITTALS
A. Section 01 22 01 —Electronic Project Management System and Section 01 33 01 —Submittal
Procedures EPMS: Requirements for submittals.
B. Shop Drawings: Shop Drawings shall be submitted to the Engineer for approval.
1. Outline drawings showing equipment and shipping dimensions and weights, location
of accessories, and clearances required.
2. Certified factory test and characteristic curves showing field performance for each
pump.
3. Wiring and schematic diagrams including accessories.
4. Recommended spare parts list.
C. Design Data: Service Manual shall be furnished for all mechanical equipment specified in this
section. The manual shall contain a description of the equipment, a complete accessory and
parts list, and complete installation, operation and maintenance instructions. A copy of the
manual shall be submitted electronically for approval within 30 days after approval of the
shop drawings. After approval of the manual, six(6)paper copies and one(1) electronic
copy shall be furnished.
D. Pump Performance Reports: Factory pumping curve test results for each submersible pump.
E. Manufacturer's Installation Instructions.
F. Manufacturer's Certificate: Certify products meet or exceed specified requirements.
G. Manufacturer's Field Reports: Certification of installation and performance characteristics.
H. Precast Structure Reports: Anti-Flotation certification by a professional engineer for all
underground precast concrete structures.
1.6 CLOSEOUT SUBMITTALS
A. Section 01 70 00 -Execution and Closeout Requirements: Requirements for submittals.
Charlotte Water Sewage Submersible Pumping Station
Ashe Plantation Wastewater Treatment Plant Upgrade Project 33 32 10-2
WKD Project Number: 20170217.00.CL