Minimum_requirement_of_Conveyor_System.docx

Conveyor System

OVERALL DIMENSIONS

(i) Length in total occupied: Approximately 17 meters or 670 inches (incl. Infeed conveyor, Sort conveyor, and Concrete pit)

(ii) Width in total occupied: Approx. 3 meters or 118 inches (incl. Platform, Stair, and Recycling containers below platform)

(iii) Depth (of Concrete pit): 4 feet

(iv) Height (of Platform): Please refer to specification below.

The all of the proposed products shall meet the space requirements specified above. The drawings of the room are provided as Appendix A.

INFEED CONVEYOR C1

HEAVY DUTY SLIDER BED TYPE DESIGN

Below Grade Conveyor shall have a belt width of 36” (approx. 914.4mm).

The belting will be 220# pounds per inch of width (PIW) 2 ply rubber with 1/8” (approx. 3.2mm) cover and slick backing, with 3” (76.2mm) high cleats on 48” (1219.2mm) centers.

Distance between the head and tail pulley will be 24’-9 9/16” (7558.52mm).

Conveyors construction shall be a formed frame design from 1/8” (3.2mm) thick steel plate, with 4” (101.6mm) structural channel cross members and a solid sheet bed design.

The side skirt height of the conveyors shall be 1”-11” (584.2mm) above the belt with full length belly pans.

Conveyor drive units shall be a shaft mounted direct drive gear box, with high efficiency 3hp totally enclosed fan-cooled (TEFC) motor.

The gear box ratio should accommodate a belt speed of 20 to 80 fpm with variable frequency drive.

The conveyor pulleys are 9” (228.6mm) diameter, with ¼” (6.4mm) lagging on head pulley and a crown on tail pulley, mounted to the conveyor with heavy duty sealed pillow block bearings.

The belt adjusters are a heavy duty screw type, mounted to both sides of the tail shaft with an extra adjuster mounted to the head shaft on opposite side of gear box to assist with belt tracking.

The conveyors to be equipped with 2 emergency mushroom stop buttons in a NEMA 4 enclosure at the feed area of the conveyors.

The conveyors shall be constructed of high quality steel, designed for use in an industrial setting, and comply with ASME conveyor safety standards.

SORT CONVEYOR C2

HEAVY DUTY SLIDER BED TYPE DESIGN

Above Grade Conveyors shall have a belt width of 36” (914.4mm).

The belting will be 200# polyvinyl chloride (PVC) belt.

Distance between the head and tail pulley will be 33’-11” (10337.2mm).

Conveyors construction shall be a formed frame design from 1/8” (3.2mm) thick steel plate, with 4” (101.6mm) structural channel cross members and a solid sheet bed design.

The side skirt height of the conveyors shall be 3 1/2” (88.9mm) above the belt.

Top of the conveyor sides will be 3’ (914.4mm) above the platform deck.

Equipped with full length belly pans or side covers to prevent access to any moving parts under the conveyor.

Return idler rollers shall be mounted on the underside of the belt spaced a minimum of 10’ (3048.0mm) apart.

Conveyor drive units shall be a shaft mounted direct drive gear box, with high efficiency 3HP TEFC motor.

The gear box ratio should accommodate a belt speed of 20 to 80 fpm with variable frequency drive (VFD).

The conveyor pulleys are 9” (228.6mm) diameter, with ¼” (6.4mm) lagging on head pulley and a crown on tail pulley, mounted to the conveyor with heavy duty sealed pillow block bearings.

The belt adjusters are a heavy duty screw type, mounted to both sides of the tail shaft with an extra adjuster mounted to the head shaft on opposite side of gear box to assist with belt tracking.

The conveyors to be equipped with emergency pull cord stop controls on sorting side of the conveyor.

The conveyors shall be constructed of high quality steel, designed for use in an industrial setting, and comply with ASME conveyor safety standards.

SORT PLATFORM

The sort platform is to be of heavy duty design.

It shall be 8’ (2437.7mm) wide x 26’-8” (8128.2mm) long.

The platform deck shall be 6’-7” (2006.6mm) above the finished floor. It shall accommodate sorting from only a single side of the sort conveyor.

The deck should be covered with a minimum 3/16” (4.8mm) thick diamond floor plate, and the deck framing shall be constructed from a minimum of C6x8.2 structural channels. It shall be equipped with 42” (1066.8mm) high hand rails with 4” (101.6mm) high toe boards, 1 (one) set of stairs with 3/16” (4.8mm) diamond plate runners, and 4 (four) 24” (609.6mm) x 36” (914.4mm) x 42” (1066.8mm) high drop chutes.

The platform legs shall be constructed with a minimum of 6 (six) vertical W6x15 structural I-beams, with sufficient cross-bracing to insure stability. Each leg shall have provisions to anchor the platform to the concrete floor.

Manufacture shall supply all hardware required for assembling the platform.

The platform shall be constructed of high quality steel, designed for use in an industrial setting, and comply with OSHA safety standards and any other applicable ordinances and codes.

CONTROL SYSTEM

The system shall be controlled from a single control panel.

The control panel shall be a NEMA 3/12/14, and equipped with an electrical disconnect. The conveyor controls shall be mounted in the face of the panel.

The controls shall consist of a single keyed on/off switch, a start and stop button for each conveyor, 2 (two) potentiometers, 1 (one) for the infeed conveyor, 1 (one) for the sort conveyor, and a mushroom emergency stop button.

The panel shall be equipped with 2 (two) 3 HP Yaskawa or equivalent VFD.

Any field wiring and/or local codes are the responsibility of others.

*** Installation, Setup/Training are required.

*** Manufacture warranty One-year warranty is required.

*** Specific electric requirements

- Control panel supports 460 V/3-phase/60 hertz with two (2) 3-HP VFD motors

- Infeed conveyor: 3-HP TEFC motor

- Sort conveyor: 3-HP TEFC motor

*** Weight information

- Platform (including stairs, handrails. Etc.): Not to exceed 6,500 lbs.

- Sort Conveyor (including drop chutes): Not to exceed 5,200 lbs.

- Infeed Conveyor (including pit plates): Not to exceed 4,300 lbs.

Requirements with quotation Notes for Drawing(s)

(i) The drawing(s) must include both "plan-view" and "side-view."

(ii) A "concrete pit" for Infeed Conveyor must be shown in the drawing(s) .

(ii) Detailed dimensions of each component must be shown in the drawing(s) in view of installation.

Both installation manual and operation/maintenance manual must be provided with a bid.

*** Required delivery date

- No later than the end of March 2017