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HomeMy WebLinkAboutOB 3 MAIN ST. LGHTNG 02-05-90V/ DATE: JANUARY 31, 1990 TO: WILLIAM HUSTON, CITY MANAGER FROM: PUBLIC WORKS DEPARTMENT/ENGINEERING DIVISION SUBJECT: MAIN STREET ORNAMENTAL STREET LIGHTING RECOMMENDATION: OLD ESS NO. 3 2-5-'90' Inter - Com That the Tustin City Council approve alternative No. 3 and authorize the installation of fifteen conventional style marbelite street lights along Main Street between "C" Street and SR -55. BACKGROUND: In October, 1988 the City Council 'authorized staff to proceed with the installation of ornamental street lighting along Main Street between "C" Street and Pacific Street. The selected style of ornamental lighting was the Washington Post style standard with dual luminaires as pictured in the attached drawing. At that time the selected style was only manufactured by a private firm and consisted of a black cast iron standard with dual luminaires. This style of light would be a City owned and maintained system which would be totally different than the remaining street light system within the City which are owned and maintained by the Edison Company for a monthly fee. In late 1988, the Edison Company supplying an ornamental street light Company at this time has developed a a black prestressed concrete standard unit. DISCUSSION: expressed an interest in manufacturing and of the Washington Post style. Edison lighting standard with dual luminaires in at an estimated cost of $3,854.00 per The original Main Street reconstruction project between "C" Street and Pacific Street would require the installation of ten (10) new street light standards and the exchange of one (1) existing light standard to the new ornamental type light standards for a total of eleven (11) new ornamental units. The second segment of Main Street improvements between Pacific Street and SR -55 freeway would require the installation of five (5) new street light standards and the exchange of four (4) existing light standards to the new ornamental type units for a total of nine (9) new ornamental units. The following is a recap of the estimated costs for the installation of ornamental street lighting along Main Street: Main Street Lighting page 2 Required No. Original Current of ornamental estimated unit estimated unit street lights cost/total cost cost/total cost Main St. "C" St. to Pacific St. 11 $2,510/$27,600 Main St. - Pacific St. to SR - 55 9 20 ---/$27,600 $3,854/$42,394 $3,854/$34,686 ---/$77,080 The estimated cost for conventional Edison Company owned/maintained street lights is $904.00 per unit. A cost recap of the conventional street light installation is as follows: Main St. "C" St. to Pacific St. Main St. -Pacific St. to SR - 55 Required No. of conventional street likhts 10 5 Current estimated unit cost/total cost $904/$9,040 $904/$4,520 15 ---/$13,560 Currently the City has budgeted $27,600 for ornamental street light installations along Main Street between "C" Street and Pacific Street in the 1989-90 Capital Improvement Budget. , Following are three alternatives related to the street light installations along Main Street: 1. Install eleven Washington Post style street lights between "C" Street and Pacific Street as previously authorized and five conventional style marbelite street lights between Pacific Street and S.R.-55 at, a total estimated cost of $46,914. This would require a supplemental 1989-90 budget appropriation of $19,314. 2. Install twenty Washington Post style street lights between "C" Street and S.R.-55 at a total estimated cost of $77,080. This would require a supplemental 1989-90 budget appropriation of $49,480. Main Street Lighting page 3 3. Install fifteen conventional marbelite street light standards between "C" Street and S.R.-55 freeway at a total estimated cost of $13,560. No supplemental budget appropriation is required for this alternative. A $14,000 savings could be achieved with this alternate. Staff recommends that street lights be installed along the entire length.of Main Street between "C" Street and S.R.-55 regardless of which alternative is selected, so that adequate lighting can be provided for improved pedestrian and traffic safety. Bob Ledendecker Director Public Works/City Engineer BL: jw