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Home My WebLink About16 CIP 600103 11-15-99 Inter-Com DATE: NOVEMBER 15, 1999 ~ TO: WILLIAM A. HUSTON, CITY MANAGER FROM: PUBLIC WORKS DEPARTMENT/WATER SERVICES DIVISION SUBJECT: MAIN STREET RESERVOIR AND BOOSTER STATION CONSTRUCTION (C.I.P PROJECT NO. 600103) SUMMARY This Capital Improvement Project involves the construction of.a 2.2 million gallon subsurface reservoir, a booster station, a new well, a permanent generator, chlorination facilities and two public parking lots that will provide 74 additional parking spaces. The construction of this facility will provide needed operational, fire and emergency water storage for the service area and will allow other reservoirs to be removed from service to construct necessary repairs. The' additional storage will .also allow the City to reduce the amount of imported water purchased from the East Orange County Water District and replace the demand with less expensive groundwater from City wells. This item provides a current status report of the project along with a milestone schedule. RECOMMENDATION No formal action is required at this time. Upon completion of the design plans and specifications, the project will be agendized for Council approval of final plans and specifications and authorization to advertise the project for construction bids. FISCAL IMPACT This project is a multi-year project that has been programmed in the Fiscal Year 1999-2000 Capital Improvement Program with a total estimated co st o f $ 6,337,323. To date approximately $1,217,000 has been spent for design services, property acquisition, and demolition of two structures and construction of a new well. BACKGROUND In October 1990, Daniel Boyle Engineering, Inc., completed a Water System Storage Evaluation Study. The Study determined that there are deficiencies in the system in both quantity of storage and structural condition of existing reservoirs. Approximately $40 million worth of improvements to the storage and distribution system are necessary. The construction of the Main Street Reservoir is the critical component of providing necessary storage for the entire water system. Completion of the project will allow other reservoirs to be taken out of service for structUral repairs and expansion. As part of the distribution and storage improvement program an emergency generator has been purchased and the Vandenberg Well, the Rawlings Reservoir retaining wall, and the Newport Avenue Transmission Main have been constructed. Currently, construction of the Rawlings Booster Station ($690,082), replacement of the telemetry system ($329,300), installation of chlorination facilities and electrical upgrades ($560,294) at five wells and the replacement of several distribution lines ($729,000) are underway. Additionally, the design of a new Simon Booster Station has been completed and property acquisition is underway. StructUral modifications to the Foothill Reservoir are being designed and the Draft Master Plan is being reviewed. Main Street Reservoir and Booster Station Construction November 15, 1999 Page 2 DISCUSSION The proposed project is located at the northeast comer of Prospect Avenue and Main Street and is now being used as the Water Division's operational headquarters. The existing facilities include an administration building, a garage, a water treatment plant, underground piping, two functioning wells, an abandoned well, and a 190,000 gallon holding tank. As previously mentioned 6,875 square feet of land has been acquired at 240 E. Third Street to allow for the construction of a 2.2 million gallon underground concrete storage reservoir; and 6,210 square feet of land has been acquired at 275 E. Main Street to provide for the construction of a new well. The on-site caretaker residence and the commercial structure that was located at 275 E. Main Street have been demolished and the new well has been drilled. Currently, the Water Division is waiting for approval from the Department of Health Services to operate a temporary pump at the new wellhead. The new reservoir borders Prospect Avenue to the west and an existing convalescent home to the east. A new booster station is proposed to be constructed on top of the concrete reservoir. The booster station will be used to distribute the water from the reservoir into the City's water distribution system. A chlorine storage building and a wellhead building with an emergency generator and a subsurface 3,000 gallon diesel fuel tank will be constructed as shown in the attached exhibit. The use of chlorine gas will provide disinfection at the wellhead facilities. Adjacent to the chlorine building, a fluoride feed and ammonia feed building may be constructed if mandated by the State. Since the existing administration building at the site will be demolished, new facilities will be required to provide chemical storage, operational storage, wet laboratory faCilities, tool storage, restrooms and a control room. Additional on-site facilities such as piping will be constructed to transport the water between the reservoir and the booster station and to the City's existing distribution system. Two asphalt parking lots will also be constructed for use by the employees, visitors, and the public. The intent of the proposed design of the facility is to make the site effective as a water production facility and provide a visual enhancement to the downtown. The architectural style and features have been selected to complement the downtown area and provide a transition from the style of the Civic Center to the classic styles within Old Town Tustin. The proposed architectural style combines stucco walls, brick veneer wainscot and glass block windows. Pre-cast cornice molding continues around the top of the building facades with pre-cast comer caps above the molding. The proposed color palette includes tan outer stucco with brown accent stucco in the center of the faCade. The brick veneer wainscot and the pre-cast moldings are also shades of brown. Green awnings are located above the large vents that are required to ventilate the equipment within the buildings. The proposed light features on the facades are also green to match the awnings and accent the shades of brown on the facade. Main Street Reservoir and Booster Station Construction November 15, .1999 Page 3 Two comer plaza areas are integrated into the site design. The comer plaza on the northwest portion of the site, adjacent to Third Street and Prospect Avenue, is designed with decorative stamped concrete with accent bands and raised planters. A more predominant plaza is located on the comer of Main Street and Prospect Avenue. A semi-circular raised planter with seating and tree wells will surround a surface level jet water fountain. This area is paved with colored concrete sawcut into three (3) inch squares. An archway with Old Town Tustin signage is the pedestrian access into the public parking lot and water facility. Old Town Tustin siguage also appears on the face of the semi-circular planter. This plaza encourages pedestrian traffic and creates an eastern gateway into the downtown. A portion of the site adjacent to Main Street will be converted into public parking for the downtown area. A total of 48 new parking spaces will be created in this area. Additional par'king is also located on top of the reservoir at the comer of Third Street and Prospect Avenue. The site design of the parking lots includes landscaping and lighting to accent and enhance the area. The parking lot adjacent to Main Street is screened from the fight-of-way by a landscape berm. Raised planters will be constructed to provide landscaping in the reservoir rooftop paring lot. Trees are proposed to be planted and maintained to screen the Water facilities. The existing street trees along Main Street and two specimen trees on-site are to be maintained. Around the perimeter of the site and between the Main Street parking lot and the water facility buildings, gold medallion trees are to be planted to create a landscape screen. Italian cypress will also be planted around the water treatment facility buildings. Low maintenance shrubs and ground cover are to be planted between the sidewalk and the masonry walls along Third Street and Prospect Avenue. The water facility will be enclosed with a six foot eight inch (6' 8") high decorative masonry wall. The 6' 8" wall also separates the public parking lot adjacent to Main Street from the water facility. The masonry wall has a tan stucco finish with a brown brick cap and pilasters to match the colors and materials of the building facades. Lower thirty-inch (30") high masonry walls with the same decorative finish are located around the reservoir top parking lot at the comer of Third Street and Prospect Avenue. The proposed architeCtural style, site design, landscape amenities, and decorative features integrate successfully and create a visual and functional asset on this prominent comer .site within the downtown. The project will enhance the downtown area, while also providing necessary improvements to the City's water facilities. It is anticipated that the project will 1se constructed in one phase and will necessitate the transfer of the Water Division to the Field Services yard. The modifications to the existing Field Services facilities to allow for continued efficient water service are currently being developed and will be brought to the Council for approval and any necessary budget appropriation. Main Street Reservoir and Booster Station Construction November 15, 1999 Page 4 The following is the anticipated schedule for completion of the project: Complete Design Review ........................................................................... 11/30/99 Final Approvals ........................................................................................... 12/15/99 Approval to Advertise ................................................................................. 01/15/00 Award of Contract ....................................................................................... 02/25/00 Begin Construction ..................................................................................... 03/15/00 Complete Construction ............................................................................... 10/15/01 Tim D. Serlet~--' Director of Public Works/City Engineer ~f Gary R. 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Nat N+rta ors FNfs -.r, CS-1 BYE 0 /o =� 4 4 Elevation of Entry Arch E -E Concrete Block Cap Pavers In Alternate Pattern Around Tree Welt Saw-cut Score lines P cetical -Coated Steel Bench 3' Square Saw-cut Colored Concrete Sigr:age on Wol AcId - washed Natural Color Concrete Pcrvmg Saw-cut Score lines !- Srg -rOge on Wan. Li 3' Square Sow -c,:• _Colar� c., -.. - :. Elevation A Ac a washed Noturo: Concrete Block Coo 'wars 'n Alternate Pattern Around Tree Wei Section B Color Concrete PovIng — _ - - - - -- -� .1_ __. 1 • , • ; • I t1 ° -f }I f 1 I I I r -CSI Main Street 4 dp, dri Malefyt Land Planning Cd,d Planning I.oncecape Architecture 3434 via Vido Newport Beach. (949) 675-2154 Suite 250 California 92663 FAX (949) 6751823 Tustin Main Street • 30' HIGH STUCCO WALL WITH 6. MGM DOME-NOSED CaNCRETE BRICK CAP CUM DECOR•TNE STAMPED CONCRETE WR1d Q WDE CONCRETE BANDS 36' 14G-I MONLI/ENTS 6' 11G1d CONCRETE - CJ28 3Ci NIGH STUCCO WAL_ WITH UOUELE -NOSED E RIC K CAF Third Street 3a wGN MOTLIVE NT5 6• HIGH CONCRETE CURB • • • • MAI N STREET FACILITIES IMPROVE 'Tustin, CA 36. 1E6FN MONUMENTS SEE ELEVATIO Ord 51CT A MG1I STUCCO WALL WITH C0J3.E -NOSED ERICK CAP L SQUARE TREE YELLS 51#I CONCRETE ape Prospect Street BOOSTER PVAVi STATION PLANING AREA 6C'OHIG —H EY.R9 EX6TI G SENOR HOUSING EX/STING REVERSE OSMOSIS FACILITY EAST. WELL DIST. NO.] e(EDI NG SYSTEM EXIST. SCIU STA▪ ND• ARD BRCK PAVING WALL ENO MONUMENTS �. SEE ELEVATION ON 51TT LA PLANTNG AREA PLANING AREA -oar OV•Y- SIGN ON WALL PLA.STICOL- COATED 6' LONG STEM BENC2F5 BLOCK CAP ON (S2ANDrTTRRE WELL ACD HASHED CCNCRETE PAVING A NG- sWd ADO WAS-ED COLORED CONCRETE PAVNG -� (b •..4 •\% 4 >fA�O . 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