Apparatus for detachably securing a ladder to a shoring structure and method of use thereof

1. A pair of restraining assemblies, comprising an elongated flexible restraining material, securing a ladder canted against an excavation support wall, wherein the ladder is comprised of a first side rail and an opposing side rail; and said excavation support wall having a top portion including a plurality of shoring anchors disposed thereon on a side of said excavation support wall facing said ladder; each of said restraining assemblies comprising a proximal member, a distal member, and a mediate member between said proximal member and said distal member, wherein:

said proximal member having a proximal fastener wherein said proximal member of a first of said pair of restraining assemblies is looped around the first side rail on the ladder and fastened to a first cooperating fastener on said mediate member by a first said proximal fastener forming a first restraining loop and wherein said proximal member of a second of said pair of restraining assemblies is looped around the opposing side rail on the ladder and fastened to a second cooperating fastener on said mediate member by a second said proximal fastener forming a second restraining loop and wherein an abrasion resistant textile material is fastened only on said proximal member of each of said pair of restraining assemblies that is looped around said side rail of said ladder, whereby said looped portion of said restraining assembly is shielded from damaging abrasive forces;

said distal member having a distal fastener configured to attach to one of said plurality of shoring anchors on said excavation support wall, each shoring anchor having a mounting location on said excavation support wall; and

said mediate portion, configured to concurrently retain said proximal member and said distal member, including a tensioner for an adjustment of a functional length defined by a distance between said proximal fastener and said distal fastener wherein said tensioner is configured to adjust said functional length so that said restraining assembly is taut.

2. The restraining assembly of claim 1 , wherein said elongated flexible restraining material is selected from a group consisting of a strap, rope, cable, and chain.

3. The restraining assembly of claim 1 , wherein said proximal fastener is selected from a group consisting of a hook, carabiner clip and a flat snap hook.

4. The restraining assembly of claim 1 , wherein said proximal fastener is a loop fastening assembly, wherein said loop fastening assembly is comprised of a loop restraining member having a first end and a second end; said first end having a quick release fastener attached thereon, and said second end attached to said mediate member having a receiving fastener attached thereon configured to fastenably cooperate with said quick release fastener, whereby a retaining loop is created when said quick release fastener is fastened onto said receiving fastener.

5. The restraining assembly of claim 1 , wherein said distal fastener is selected from a group consisting of a hook, carabiner clip and a flat snap hook.

6. A ladder retention system comprising:

an excavation support wall having a top portion including a plurality of shoring anchors, each having a mounting location on a side of said excavation support wall facing a ladder, disposed thereon; and

a pair of restraining assemblies, primarily configured from an elongated flexible restraining material, securing said ladder canted against said excavation support wall wherein said ladder is comprised of a first side rail and an opposing side rail, each of said restraining assemblies comprising a proximal member, a distal member, and a mediate member between said proximal member and said distal member, wherein:

said proximal member having a proximal fastener wherein said proximal fastener is a loop fastening assembly, wherein said loop fastening assembly is comprised of a loop restraining member having a first end and a second end; said first end having a quick release fastener attached thereon, and said second end attached to said mediate member having a receiving fastener attached thereon configured to fastenably cooperate with said quick release fastener, whereby a restraining loop is created when said quick release fastener is fastened onto said receiving fastener, wherein said restraining loop of a first of said pair of restraining assemblies is looped around said first side rail on said ladder and wherein said restraining loop of a second of said pair of restraining assemblies is looped around said opposing side rail on said ladder wherein an abrasion resistant textile material is fastened only on said proximal member of each of said pair of restraining assemblies that is looped around said side rail of said ladder, whereby said looped portion of said restraining assembly is shielded from damaging abrasive forces;

said distal member having a distal fastener configured to attach to one of said plurality of shoring anchors, said ladder positioned between a pair of said shoring anchors; and

said mediate portion, configured to concurrently retain said proximal member and said distal member, including a tensioner for an adjustment of a functional length defined by a distance between said proximal fastener and said distal fastener wherein said tensioner is configured to adjust said functional length so that said restraining assembly is taut.

7. The ladder retention system of claim 6 , wherein said elongated flexible restraining material is selected from a group consisting of a strap, rope, cable, and chain.

8. The ladder retention system of claim 6 , wherein said quick release fastener is selected from a group consisting of a hook, carabiner clip and a flat snap hook.

9. The ladder retention system of claim 6 , wherein said distal fastener is selected from group consisting of a hook, carabiner clip and a flat snap hook.

10. The ladder retention system of claim 6 , wherein at least one of said plurality of shoring anchors is removably attachable, wherein said mounting location is a wall support member having fastener holes therein for attaching said shoring anchor.

11. The ladder retention system of claim 6 , wherein at least one of said plurality of shoring anchors is permanently attached to said mounting location by welding.

12. A ladder retention system comprising:

at least one pair of shoring anchors removably attached to shoring wall supports on a top portion of an excavation support wall on a side of said excavation support wall facing a ladder; and

a pair of restraining assemblies, primarily configured from an elongated flexible restraining material having a proximal member, a distal member, and a mediate member between said proximal and distal members, securing said ladder canted against said excavation support wall wherein said ladder is comprised of a first side rail and an opposing side rail, each of said restraining assemblies comprising:

said proximal member having a proximal fastener wherein said proximal fastener is a loop fastening assembly, wherein said loop fastening assembly is comprised of a loop restraining member having a first end and a second end; said first end being an end of said proximal member having a quick release fastener attached thereon, and said second end being an end of said mediate member having a receiving fastener attached thereon configured to fastenably cooperate with said quick release fastener, whereby a restraining loop is created when said quick release fastener is fastened onto said receiving fastener, wherein said proximal member of a first of said pair of restraining assemblies is looped around said first side rail on said ladder and wherein said proximal member of a second of said pair of restraining assemblies is looped around said opposing side rail on said ladder and wherein an abrasion resistant textile material is fastened only on said proximal member of each of said first and second of said pair of restraining assemblies that is looped around said side rail of said ladder, whereby said looped portion of said restraining assembly is shielded from damaging abrasive forces;

said distal member having a distal fastener configured to attach to said at least one shoring anchor, said ladder positioned between a pair of said shoring anchors; and

said mediate portion, configured to concurrently retain said proximal member and said distal member, including a tensioner for an adjustment of a functional length defined by a distance between said proximal fastener and said distal fastener wherein said tensioner is configured to adjust said functional length so that said restraining assembly is taut.

13. The ladder retention system of claim 12 , wherein said elongated flexible restraining material is selected from a group consisting of a strap, rope, cable, and chain.

14. The ladder retention system of claim 12 , wherein said quick release fastener is selected from a group consisting of a hook, carabiner clip and a flat snap hook.

15. The ladder retention system of claim 12 , wherein said distal fastener is selected from group consisting of a hook, carabiner clip and a flat snap hook.

16. A method for securing a ladder to an excavation support wall, comprising the steps of:

mounting at least one pair of removably attachable shoring anchors onto mounting locations disposed on the top portion of said excavation support wall on a side of said excavation support wall facing said ladder;

looping a proximal member of a first restraining assembly around a first side rail of said ladder by fastening a first cooperating fastener on an end of said proximal member to a second cooperating fastener on a mediate member of said first restraining member thereby forming a first restraining loop around said first side rail of said ladder, and fastening a distal member of said first restraining assembly on to a first of said at least one pair of shoring anchors wherein a first abrasion resistant textile material is fastened only on said first restraining loop, whereby said looped portion of said first restraining assembly is shielded from damaging abrasive forces;

thereafter tensioning to remove slack from said first restraining assembly attached between said first side rail of said ladder and said first shoring anchor by engaging a tensioner disposed on said mediate portion of said first restraining assembly;

thereafter looping a proximal member of a second restraining assembly around an opposing side rail of said ladder by fastening a first cooperating fastener on an end of said proximal member to a second cooperating fastener on a mediate member of said first restraining member thereby forming a second restraining loop around said opposing side rail of said ladder, and fastening a distal member of said second restraining assembly on to a second of said at least one pair of said shoring anchors wherein a second abrasion resistant textile material is fastened only on said second restraining loop, whereby said looped portion of said second restraining assembly is shielded from damaging abrasive forces; and

thereafter tensioning to remove slack from said second restraining assembly attached between said opposing side rail of said ladder and said second shoring anchor by engaging a tensioner disposed on said mediate portion of said second restraining assembly; whereby the ladder is secured to the excavation support w all, positioned between a pair of said shoring anchors.