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Addendum #1 <br />1. Pipe Culvert/PVC Sleeves β€” All inverts, pipe size, stations and offsets. <br />2. Outfalls β€” All pipe inverts, pipe size, elevations and station offsets, weir box <br />elevations, weir elevation, bleeder elevation and sizes. <br />3. Roadway/Off Site Drainage β€”All inverts, elevations and station offsets; manhole <br />top elevation; grate top elevations. <br />4. Retention Ponds β€” Provide perimeter elevations, grade breaks, depths and <br />calculated pond areas at control elevation and grade breaks above and below <br />water surface. Show as -built of typical cross section as shown on design plan. <br />ROADWAY: <br />1. Stations and offsets related to controlling baseline and elevations of all structures, <br />side street and major driveway radius returns (edge of pavement), bends and/or <br />change in direction of roadway alignment, minimum of 1000' intervals along <br />roadway alignment. <br />2. Elevations along Profile Grade Line (PGL), of all edge of pavements on each side <br />of Profile Grade Line (PGL), at medians at the high/low and PVI points along <br />Profile Grade Line (PGL). <br />3. All final Elevations to be plotted on PGL AND Plan & Profile sheets as applicable. <br />4. Elevations of edge of pavement and flow line at curb inlets and on the adjacent <br />edge of pavement at curb inlets. <br />WATER, FORCE, AND RECLAIMED WATER MAINS: <br />1. Show size and type of material used to construct mains. <br />2. Show horizontal location and elevation of all tees, crosses, bends, terminal <br />ends, valves, fire hydrants, air release valves, and sampling points, etc., by <br />distances from known reference points. <br />3. Show location, size and type of material of all sleeves and casing pipes. <br />4. Elevation and horizontal location of all storm sewers, gravity sewers including <br />laterals, force mains, water mains, etc. which are crossed; including clearance <br />dimension at all conflicts or crossings. <br />5. Top of pipe elevation and horizontal location of all water and force main stub - <br />outs. <br />6. Horizontal location of all services at the property lines. <br />7. Horizontal and vertical location of pipe including size of all mains and ground <br />elevation shall be obtained at one -hundred (100) foot intervals. Contractor <br />shall place temporary PVC stand pipes (tell -tales) at each of the one -hundred <br />(100) foot intervals and at all fittings and conflicts/crossings to facilitate the <br />record drawing survey. The tell-tale pipes shall be constructed of 2 -inch PVC <br />pipe, shall be placed on the top of the pipes to be surveyed, and shall be <br />removed by the Contractor after completion of the field survey by the "As -Built" <br />Professional Surveyor. <br />8. Location of fire lines. <br />9. Dedicated easement locations, identified by O.R. Book and Page Number. <br />01025-23 Technical Specifications <br />F:\Public Works\ENGINEERING DIVISION PROJECTS \1414 -49th St_58th Ave to 31st Ave\1-Admin\Bids\Bid <br />Documents\Adendums\Technical Specifications uPDATED 5-25-2017.doc <br />