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REV: 04-29-25 LF <br />Light(s) shall include a white finish housing. <br />AERIAL LADDER SECTION CONSTRUCTION <br />The aerial ladder shall be comprised of four (4) sections. The ladder section design objective shall <br />complement the support of heavy or uneven aerial loads at low angles of elevation, or at full <br />extension. Each ladder section shall be fabricated in fixtures assuring uniformity, replace ability, <br />or changeability, and shall be welded in accordance with American Welding Standards (AWS) <br />criteria by certified welders. <br />The ladder sections shall be constructed of welded high-strength steel throughout. Each section <br />shall be trussed diagonally, vertically, and horizontally, using steel rectangular tubing, reinforced <br />at critical points for extra rigidity, thus giving a high strength-to-weight ratio. Each section shall be <br />equipped with 1-1/4” diameter rungs, placed at no greater than 14-inch centers for ease of <br />climbing. <br />To assure the level of quality desired, each ladder section shall include the following: <br />1. Base Section - All rails, including the lower rail, shall be sealed from the atmosphere. The base <br />ladder section shall include a triangulated lifting configuration. This arrangement shall consist of <br />front and rear cross tubes, forward triangle tube, rear triangle tube, lift cylinder outboard support <br />tube and steel plating welded into place where the lifting cylinders attach to the aerial ladder base <br />section. <br />2. Mid-Section, Outer Mid-Section and Fly Section - All rails, including the lower rung rail, shall be <br />sealed as described for the base section. <br />All ladder rungs shall be welded to each rung rail section in two (2) places. K-bracing shall be <br />provided between the rungs and the ladder rung rails to provide the ability to discharge water at <br />90 degrees to the side of the ladder. <br />All rungs shall be round with rung covers installed to provide a slip resistant stepping surface. <br />RUNG COVERS <br />Each rung shall be equipped with a heavy duty serrated, replaceable rung cover to provide an <br />anti-slip surface for firefighting personnel. For additional safety, the covers shall be constructed <br />from rubber to allow ice buildup to easily break off when the rung is stepped on. These covers <br />shall be both glued and clamped securely to the rungs with metal clips. <br />LADDER SECTION DIMENSIONS <br />All Dimensions are from top of rung to top of handrail. All width dimensions are inside to inside of <br />handrails. <br />Handrail Height Width <br />Base Section 24.00” 36.25” <br />Inner Mid 21.75” 31.00” <br />ATTY/AGR.2025.089/Fire Apparatus Solutions (Purchase of Spartan-LTC 105' TDA) (Page 141 of 150)