O le faʻatulagaina o le faʻamalosi faʻamalosi e tutusa ma le pito i luga ma le pito i lalo ole iunite faʻapipiʻi. O le tele o fesoʻotaʻiga o le 321 o le 3000mm le umi, ma le tele o le fesoʻotaʻiga o le 200 o le 3048mm. E masani ona faʻaaogaina e faʻamalosia ai le pito i luga ma lalo ifo o trusses o alalaupapa masani poʻo alalaupapa faʻapitoa. O le laina faʻamalosia e tuʻuina atu i laina e lua o le pito i luga ma le pito i lalo o lagolago fesoʻotaʻi, o le laina pito i lalo e faigofie mo le faʻafesoʻotaʻi ma le truss chord, o le laina pito i luga e faigofie mo le faʻafesoʻotaʻi ma le faʻavaa lagolago, ma le pito i luga o le truss iunite o le alalaupapa fafine pito ma o le alalaupapa tane pito e masani lava e le faʻapipiʻiina i le faʻamalosia chords. E masani lava o le chord faʻamalosia e tuʻu saʻo faʻafeagai ma le elemene truss. O le ituaiga 200 e mafai fo'i ona fa'atete'e le so'oga tasi ma le fa'alua taliga o le fa'amalosi fa'amalosi ma le so'oga tasi ma le fa'alua taliga o le fa'alava.
O le 321 type reinforced chord e mamafa le 80 kg; o le 200 type reinforced chord e mamafa 90 kg.
1 Fa'ateleina le malosi o le auala laupapa
2 Bailey Bridge Component
3 Faʻafesoʻotaʻi i luga o le laulau ma faʻamau
| Fuafuaga Fausia-La'u uta --- Fa'aopoopo Ala Tasi (W=4200mm) | |||
| SPAN-ft | HS-15 | HS-20 | HS-25 |
| 30 | SS | SS | SS |
| 40 | SS | SS | SS |
| 50 | SS | SS | SS |
| 60 | SS | SS | SS |
| 70 | SS | SS | SSR |
| 80 | SS | SSR | SSR |
| 90 | SSR | SSR | SSR |
| 100 | SSR | SSR | SSR |
| 110 | SSR | SSR | DS |
| 120 | SSR | DS | DSR1 |
| 130 | DS | DSR1 | DSR2H |
| 140 | DSR1 | DSR2H | DSR3H |
| 150 | TSTSR2 | DSR2H | DSR4H |
| 160 | DSR2H | DSR2H | TSR2 |
| 170 | TSR2 | TSR2 | TSR3 |
| 180 | TSR2 | TSR3 | TSR3H |
| 190 | TSR3H | TSR3 | QSR4 |
| 200 | QSR4 | TSR3QSR3 | QSR4 |
| Laua'a Fausia-Fautauga --- Auala Faalua (W=7350mm) | |||
| SPAN-ft | HS-15 | HS-20 | HS-25 |
| 30 | SS | SS | SS |
| 40 | SS | SS | SS |
| 50 | SS | SS | SSR |
| 60 | SS | SSR | SSR |
| 70 | SSR | SSR | DS |
| 80 | SSR | DS | DSR1 |
| 90 | SSRH | DSR1 | DSR2H |
| 100 | DSR1 | DSR2H | TSR2 |
| 110 | DSR1 | DSR2 | QS |
| 120 | TS | DSR2H | TSR2 |
| 130 | DSR2H | TSR2 | TSR3 |
| 140 | TSR2 | TSR3 | TSR3H |
| 150 | TSR3H | TSR3H | QSR4 |
| 160 | QSR4 | QSR4 | QSR4 |
| 170 | QSR4 | QSR4 | |
| 180 | QSR4 | ||
| 1.SS o loʻo faʻaalia le tasi laina tasi le tier; DS o loʻo faʻaalia ni laina se lua tasi; TS o lo'o fa'aalia ni laina se tolu e tasi; O loʻo faʻaalia e le DD ni laina se lua lua vaega ma isi. | |||
| 2. Afai R e mulimuli i le SS, DS, DD, ma isi, o lona uiga o le faʻamalosia o le ituaiga, ma o le R1 o lona uiga naʻo le tasi le laina faʻamalosia, R2 o lona uiga e lua laina faʻamalosia ma isi. | |||