Loading...
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