| Date |
Text |
| 2020-09-21 14:40:39 | THE FOLLOWING COMMENTS ARE FROM THE REVIEW OF THE |
| | 8/24/20 SUBMITTAL PACKAGE: |
| | |
| | 1. LIST THE VERTICAL DATUM AND CONVERSION EQUATION TO |
| | NGVD1929 ON ALL SHEETS WITH ELEVATION INFORMATION |
| | (SURVEY, SHEETS C-1.0, C-2.0, C-3.1, C-4.0, ETC.) |
| | |
| | 2. ON SHEET C-1.0 DEMO. PLAN, REMOVE THE EXISTING STORM |
| | PIPE ALL THE WAY TO THE CATCH BASIN ON THE NORTH SIDE |
| | OF 25TH ST. |
| | |
| | 3. CONSIDER BREAKING UP THE EXFILTRATION TRENCH BETWEEN |
| | STRUCTURES S-9 AND S-10 TO ALLOW THE WATER SERVICE AND |
| | SEWER LATERALS TO CROSS OVER THE STORM PIPE OUTSIDE OF |
| | THE EXFILTRATION TRENCH. EXTEND THE EXFILTRATTION |
| | TRENCH BETWEEN STRUCTURES S-14 AND CS OR ADD |
| | EXFILTRATION TRENCH BETWEEN STRUCTURES S-6 AND S-7. |
| | |
| | 4. IN THE DRAINAGE STRUCTURE SCHEDULE ON SHEET C-3.0, |
| | ALL STRUCTURES ARE LISTED AS CATCH BASINS. |
| | |
| | 5. CONTROL STRUCTURES (WEIRS) USED TO SURCHARGE THE |
| | EXFILTRATION TRENCHES CANNOT INCLUDE A BLEEDER. |
| | |
| | 6. THE WEIR ELEVATION FOR STRUCTURE CS IS LISTED AS |
| | 10.00 IN THE DRAINAGE STRUCTURE SCHEDULE TABLE BUT THE |
| | TOP OF TRENCH ELEVATION IS SHOWN AS 11.50. |
| | |
| | 7. USE THE LOWEST CATCH BASIN ELEVATON IN THE |
| | EXFILTRATION TRENCH LONGITUDINAL SECTION DETAIL ON |
| | SHEET C-3.1. |
| | |
| | 8. ADD A DRAINAGE CATCH BASIN IN THE SWALE ON THE EAST |
| | SIDE OF THE DRIVEWAY ON 25TH ST AND PIPE TO THE |
| | EXISTING CATCH BASIN AT THE CORNER OF N. AUSTRALIAN |
| | AVE/25TH ST. |
| | |
| | 9. PROVIDE TYPICAL CROSS SECTIONS FOR ALL FOUR SIDES OF |
| | THE PROPERTY, EXTENDING FROM THE CENTERLINE OF THE ROAD |
| | RIGHT OF WAY AND CANAL RIGHT OF WAY AND THE NORTH |
| | PROPERTY LINE TO INTERIOR POINTS OF THE PAVED AREA. |
| | |
| | 10. EXPLAIN WHAT THE TOE OF BANK REPRESENTS FOR THE |
| | CANAL. THE WATER TABLE IS SHOWN TO BE AT ELEVATION 8 |
| | FEET NAVD AND THERE ARE SPOT GRADES BETWEEN 7.8 AND |
| | 11.4 ALONG THIS TOE OF BANK LINE. |
| | |
| | 11. LANDSCAPE PLANS SHOW SEVERAL TREES NEAR OR OVER THE |
| | PROPOSED EXFILTRATION TRENCHES AND SEWER LATERALS. |
| | |
| | |
| | TRACY WARD, PE |
| | SENIOR STORMWATER ENGINEER |
| | ENGINEERING SERVICES DEPARTMENT |
| | 561-494-1120 |
| | [email protected] |
| | |
| |
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