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HomeMy WebLinkAboutStaff Review STAFF REVIEW COMMENTS NO. 2 Project: COOS FIRE STATION NO. 3 (SP) - 06-00500109 PLANNING 1. Please clarify the buffer legend. If you are excluding the 110 feet where the buffer is not tripled,then you will need 810 shrubs in the tripled area, 36 in the non-tripled area (846 total required—you only provided 813), 98 canopy trees in the triple buffer, and 5 in the area non-tripled buffer (103 total required —you provided 110). Reviewed by: Lindsay Boyer Date: January 26,2007 ENGINEERING 1. Your response to previous Engineering Comment No. 2 states that the driveway culvert shall be 8" diameter and that calculations are attached. The minimum allowable driveway culvert diameter is 15 inches which is the culvert size noted on Sheet C1.1. No calculations were attached. 2. By "provide the sizing of the inlet grates", I meant for you to provide calculations you used to determine the size (30"x30") necessary to convey the design flows. Did you reduce the calculated capacity by 25%to allow for clogging? What is the maximum depth of water over the grate? 3. Your responses to Comments 4 and 6 (that storm water runoff design and detention are not required but are being provided as a good neighbor) are puzzling. You are required to meet our Drainage Policy and Design Standards which requires runoff design and detention for this site. You are increasing the amount of runoff from the site and changing the flow pattern of water for this site from sheet flow to two point discharges. You must insure that the over flow from the catch basins does not get directed straight to the adjacent property. I do not see the swales that you say will carry the overflow water. 4. I still do not agree with the runoff coefficient used for post development. The COCS Drainage Manual shows a .65-.75 range for development as Business Commercial for slopes 3.5-5.5%. Much of the final grades of this site is far in excess of 5.5%but your weighted CN is 0.59. 5. Provide the detention pond discharge velocity calculations. 6. It appears that the manhole located near the detention pond outfall will be in an area of concentrated flow/ponding. Does the manhole lid need to be water tight? 7. The WL connection Detail and the Plan View do no match. (C2.2) Reviewed by: Carol Cotter Date: January 26,2007 STAFF REVIEW COMMENTS NO. 1 Project: FIRE STATION # 3 (SP) - 06-00500233 PLANNING 1 , Sheet C1.1, Provide legal description of the property in the title block. 2. Sheet C1 .1, Provide ownership and current zoning of the parcel and all abutting parcels. 3. Sheet Cl .], Provide total square footage of the proposed building. 4. Sheet C1 .1, Provide note concerning floodplain. If there is none, please provide the confirming FEMA/FIRM map number. 5. Please clearly identify the FDC connection on sheet C1.1 . 6. The west elevation does not have enough architectural elements, as required by the Non-Residential Architectural Standards (UDO, Section 7.9). The requirement is for two different elements every 60 feet for facades that do not face a Right of Way. This elevation has wall plane projections and window shadings (awnings) in the first section of 60 feet, however there is only a wall plane projection in the second section. The North Elevation (rear) elevation has the same issues. There are wall plane projections in each section, but no other elements. 1 additional element in each section is required. 7. The roofline on the north elevation may have no more than 66% of the roofline on the same elevation. Please revise the building roof to meet this requirements (UDO, Section 7.9). 8. Provide a general note that all roof and ground-mounted mechanical equipment shall be screened from view or isolated so as not to be visible from any public right-of-way or residential district within 150' of the subject lot, measured from a point five feet above grade. Such screening shall be coordinated with the building architecture and scale to maintain a unified appearance. Reviewed by: Lindsay Boyer, Staff Planner Date: November 10, 2006 LANDSCAPING/STREETSCAPING/BUFFER 1 . The buffer on the east and north side of the property should have an accompanying 6' solid fence. Fencing may be eliminated completely if the buffer yard and plantings are tripled. Otherwise, the existing plantings must be located within the 10' buffer yard measured from the property line with a fence provided (UDO, Section 7.10- Buffers). 2. The buffer on the south side of the property should have triple plantings to remain in its existing location without the provision of a fence (UDO, Section 7.10- Buffers). 3. Show fencing details if a fence is to be provided. 4. Provide a general note that 100% coverage of groundcover, decorative paving, decorative rock, or a perennial grass is required in parking lot islands, swales and drainage areas, the parking lot setback, rights-of-way, and adjacent property disturbed during construction. NOTE: Any changes made to the plans, that have not been requested by the City of College Station, must be explained in your next transmittal letter and"bubbled"on your plans. Any additional changes on these plans that have not been pointed out to the City, will constitute a completely new review. Page 2 of 4 5. Irrigation system must be protected by either a Pressure Vacuum Breaker, a Reduced Pressure Principle Back Flow Device, or a Double-Check Back Flow Device, and installed as per City Ordinance 2394. 6. All BackFlow devices must be installed and tested upon installation as per City Ordinance 2394. Reviewed by: Lindsay Boyer, Staff Planner Date: November 10, 2006 ENGINEERING COMMENTS NO. 1 1. The location of the storm pipe along the rear of the property is shown on the opposite side of the property line on Sheet C1 .2 than on Sheet C2.1 . Sheet C2.1 shows the storm pipe located on the south side of the property line. 2. Provide sizing of the driveway culvert. 3. Provide sizing of the inlet grates. 4. I don't agree with the CN values used in the Drainage Report. Post development is not natural grasslands, but landscaped area with slopes. 5. What are the velocities of the detention pond discharge? 6. Can you assure that the discharge from the detention ponds will be captured by and not overshoot the inlets? What is the overflow route if a grate gets clogged? 7. Would a larger turning radius on the south side the drive around the building at its turn off the main drive function better? 8. Please re-visit the waterline connection detail. Is the blow-off necessary since there is a fire hydrant. Are all the gate valves necessary? As shown, the isolation of the meters will also turn off flow to fire suppression line. Is this what is desired? 9. The "Typical Water and Sewer Trench Detail" provided does not match BCS Unified. Please provide letter for our review stating why it is better, or use standard. 10. Be aware that the 11-foot elevation difference between the Fire Station and the adjacent residential properties is bound to cause outcry. Finished floor of the Station will be 5 feet above the adjacent properties' 6-foot fence. Reviewed by: Carol Cotter Date: November 10, 2006 ELECTRICAL COMMENTS REQUIRING IMMEDIATE ATTENTION 1 . Developer provides temporary blanket easement for construction purposes. NOTE: Any changes made to the plans, that have not been requested by the City of College Station, must be explained in your next transmittal letter and"bubbled"on your plans.Any additional changes on these plans that have not been pointed out to the City, will constitute a completely new review. Page 3 of 4 GENERAL ELECTRICAL COMMENTS 1 . Developer installs conduit per city specs and design. 2. City will provide drawings for conduit installation. Contact City prior to bidding. 3. Developer provides 30' of rigid or IMC conduit for riser poles. City installs riser. 4. Developer to intercept existing conduit at designated transformers and extend as required. 5. If conduit does not exist at designated transformer, developer to furnish and install conduit as shown on electrical layout. 6. Developer pours transformer pad(s) per city specs and design. 7. Developer installs pull boxes as per city specs and design.(pull boxes provided by the city). 8. Developer provides digital AutoCAD 2000 or later version of plat and/or site plan email to sweido@cstx.gov 9. Developer provides load data for project. 10. To discuss any of the above electrical comments, please contact Sam Weido at 979.764.6314. Reviewed by: Sam Weido Date: 11-07-06 NOTE: Any changes made to the plans, that have not been requested by the City of College Station, must be explained in your next transmittal letter and"bubbled"on your plans. Any additional changes on these plans that have not been pointed out to the City, will constitute a completely new review. Page 4 of 4 STAFF REVIEW COMMENTS NO. 2 Project: COOS FIRE STATION NO. 3 (SP) - 06-00500109 PLANNING 1. Please clarify the buffer legend. If you are excluding the 110 feet where the buffer is not tripled,then you will need 810 shrubs in the tripled area, 36 in the non-tripled area (846 total required—you only provided 813), 98 canopy trees in the triple buffer, and 5 in the area non-tripled buffer (103 total required —you provided 110). Reviewed by: Lindsay Boyer Date: January 26,2007 ENGINEERING 1. Your response to previous Engineering Comment No. 2 states that the driveway culvert shall be 8" diameter and that calculations are attached. The minimum allowable driveway culvert diameter is 15 inches which is the culvert size noted on Sheet C1.1. No calculations were attached. 2. By "provide the sizing of the inlet grates", I meant for you to provide calculations you used to determine the size (30"x30") necessary to convey the design flows. Did you reduce the calculated capacity by 25%to allow for clogging? What is the maximum depth of water over the grate? 3. Your responses to Comments 4 and 6 (that storm water runoff design and detention are not required but are being provided as a good neighbor) are puzzling. You are required to meet our Drainage Policy and Design Standards which requires runoff design and detention for this site. You are increasing the amount of runoff from the site and changing the flow pattern of water for this site from sheet flow to two point discharges. You must insure that the over flow from the catch basins does not get directed straight to the adjacent property. I do not see the swales that you say will carry the overflow water. 4. I still do not agree with the runoff coefficient used for post development. The COOS Drainage Manual shows a .65-.75 range for development as Business Commercial for slopes 3.5-5.5%. Much of the final grades of this site is far in excess of 5.5%but your weighted CN is 0.59. 5. Provide the detention pond discharge velocity calculations. 6. It appears that the manhole located near the detention pond outfall will be in an area of concentrated flow/ponding. Does the manhole lid need to be water tight? 7. The WL connection Detail and the Plan View do no match. (C2.2) Reviewed by: Carol Cotter Date: January 26,2007 STAFF REVIEW COMMENTS NO. 1 Project: FIRE STATION # 3 (SP) - 06-00500233 PLANNING 11 . Sheet Cl .1 , Provide legal description of the property in the title block. /2. Sheet C1 .1, Provide ownership and current zoning of the parcel and all abutting parcels. J . Sheet C1 .1, Provide total square footage of the proposed building. 4. Sheet C1 .1, Provide note concerning floodplain. If there is none, please provide the confirming FEMA/FIRM map number. 16 Please clearly identify the FDC connection on sheet C 1 .1 . . The west elevation does not have enough architectural elements, as required by the Non-Residential Architectural Standards (UDO, Section 7.9). The requirement is for two different elements every 60 feet for facades that do not face a Right of Way. This elevation has wall plane projections and window shadings (awnings) in the first section of 60 feet, however there is only a wall plane projection in the second section. The North Elevation (rear) elevation has the same issues. There are wall plane projections in each section, but no other elements. 1 additional element in each section is required. \i/ required. The roofline on the north elevation may have no more than 66% of the roofline on the same elevation. Please revise the building roof to meet this / requirements (UDO, Section 7.9). 18. Provide a general note that all roof and ground-mounted mechanical equipment shall be screened from view or isolated so as not to be visible from any public right-of-way or residential district within 150' of the subject lot, measured from a point five feet above grade. Such screening shall be coordinated with the building architecture and scale to maintain a unified appearance. Reviewed by: Lindsay Boyer, Staff Planner Date: November 10, 2006 LANDSCAPING/STREETSCAPING/BUFFER 1 . The buffer on the east and north side of the property should have an accompanying 6' solid fence. Fencing may be eliminated completely if the buffer yard and plantings are tripled. Otherwise, the existing plantings must be located within the 10' buffer yard measured from the property line with a fence provided (UDO, Section 7.10- Buffers). 2. The buffer on the south side of the property should have triple plantings to remain in its existing location without the provision of a fence (UDO, Section 7.10- Buffers). 3. Show fencing details if a fence is to be provided. 4. Provide a general note that 100% coverage of groundcover, decorative paving, decorative rock, or a perennial grass is required in parking lot islands, swales and drainage areas, the parking lot setback, rights-of-way, and adjacent property disturbed during construction. NOTE: Any changes made to the plans, that have not been requested by the City of College Station, must be explained in your next transmittal letter and"bubbled"on your plans.Any additional changes on these plans that have not been pointed out to the City, will constitute a completely new review. Page 2 of 4 5. Irrigation system must be protected by either a Pressure Vacuum Breaker, a Reduced Pressure Principle Back Flow Device, or a Double-Check Back Flow Device, and installed as per City Ordinance 2394. 6. All BackFlow devices must be installed and tested upon installation as per City Ordinance 2394. Reviewed by: Lindsay Boyer, Staff Planner Date: November 10, 2006 ENGINEERING COMMENTS NO. 1 1 . The location of the storm pipe along the rear of the property is shown on the opposite side of the property line on Sheet C1 .2 than on Sheet C2.1 . Sheet C2.1 shows the storm pipe located on the south side of the property line. 2. Provide sizing of the driveway culvert. 3. Provide sizing of the inlet grates. 4. I don't agree with the CN values used in the Drainage Report. Post development is not natural grasslands, but landscaped area with slopes. 5. What are the velocities of the detention pond discharge? 6. Can you assure that the discharge from the detention ponds will be captured by and not overshoot the inlets? What is the overflow route if a grate gets clogged? 7. Would a larger turning radius on the south side the drive around the building at its turn off the main drive function better? 8. Please re-visit the waterline connection detail. Is the blow-off necessary since there is a fire hydrant. Are all the gate valves necessary? As shown, the isolation of the meters will also turn off flow to fire suppression line. Is this what is desired? 9. The "Typical Water and Sewer Trench Detail" provided does not match BCS Unified. Please provide letter for our review stating why it is better, or use standard. 10. Be aware that the 11-foot elevation difference between the Fire Station and the adjacent residential properties is bound to cause outcry. Finished floor of the Station will be 5 feet above the adjacent properties' 6-foot fence. Reviewed by: Carol Cotter Date: November 10, 2006 ELECTRICAL COMMENTS REQUIRING IMMEDIATE ATTENTION 1 . Developer provides temporary blanket easement for construction purposes. NOTE: Any changes made to the plans, that have not been requested by the City of College Station, must be explained in your next transmittal letter and"bubbled"on your plans. Any additional changes on these plans that have not been pointed out to the City, will constitute a completely new review. Page 3 of 4 GENERAL ELECTRICAL COMMENTS 1 . Developer installs conduit per city specs and design. 2. City will provide drawings for conduit installation. Contact City prior to bidding. 3. Developer provides 30' of rigid or IMC conduit for riser poles. City installs riser. 4. Developer to intercept existing conduit at designated transformers and extend as required. 5. If conduit does not exist at designated transformer, developer to furnish and install conduit as shown on electrical layout. 6. Developer pours transformer pad(s) per city specs and design. 7. Developer installs pull boxes as per city specs and design.(pull boxes provided by the city). 8. Developer provides digital AutoCAD 2000 or later version of plat and/or site plan email to sweido@cstx.gov 9. Developer provides load data for project. 10. To discuss any of the above electrical comments, please contact Sam Weido at 979.764.6314. Reviewed by: Sam Weido Date: 11-07-06 NOTE: Any changes made to the plans, that have not been requested by the City of College Station, must be explained in your next transmittal letter and"bubbled"on your plans.Any additional changes on these plans that have not been pointed out to the City, will constitute a completely new review. Page 4 of 4